INT.S 69-21 – interchangeable spare parts

INT.S 69-21 movement

Which spare parts fit the INT.S 69-21 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

36Parts with interchange data

51Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of INT.S and the original spare-part labels. All information has been carefully checked but is provided without guarantee. Please verify the interchangeability yourself before fitting, especially the height, diameter and execution of the part.

🛒 Spare parts for INT.S 69-21 in our shop

Clutch Wheel ST 69 – Part 407 – for FHF 60, INT.D 69-21, INT.S 69-2111,90 € – 12,90 € incl. VAT *View item ›

Fourth Wheel and Pinion for ST 69-21, ST 69N, FHF 692, FHF 60-21, INT S 3.69 – Part 22014,90 € incl. VAT *View item ›

Minute Wheel for ST 69, FHF 60, INT.D 69-21, INT.S 69-21, ST 69-21 – Part 26011,90 € incl. VAT *View item ›

Crown Wheel Part 420 for ST 69, FHF 60, ST 69-21, ST 691, INT S 69-21 – NOS12,90 € incl. VAT *View item ›

Escape Wheel and Pinion Part 703 for FHF 69-21, FHF 60-21, ST 69-21, INT S 69-21 – NOS14,80 € – 44,80 € incl. VAT *View item ›

🔧 Interchangeable parts

Part no.	Description	Also fits
182ISO 20.030	Barrel and cover	FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 601 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 INT.S 691 ST 69 FHF 60 Durowe 69-21 ST 69 ST 69-21 ST 691
195ISO 20.060	Barrel arbor	FHF 60-21 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21 INT.S 691 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 ST 691
201ISO 30.015	Center wheel	FHF 60-21 FHF 692 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21INT.S 3.69ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 ST 69N
210ISO 30.025	Third wheel	FHF 60-21 FHF 692 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 ST 69N ST 691 ST 691N
220ISO 30.027	Fourth wheel	FHF 60-21 FHF 692 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21INT.S 3.69ST 69-21 FHF 60-21 ST 69-21 ST 69N
240ISO 31.080	Cannon-pinion	INT.S 3.69 FHF 692INT.S 3.69ST 69-21 2?3 ST 69 ST 69-21 ST 69N Height 208 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 208 Durowe 69-21 Height 208 Durowe 69-21INT.S 3.69 Height 208 ST 69 ST 69-21 ST 69N Height 233 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 233 Durowe 69-21 Height 233 Durowe 69-21INT.S 3.69 Height 253 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 253 Durowe 69-21 Height 253 Durowe 69-21INT.S 3.69 Height 253 ST 69 ST 69-21 ST 69N Height 283 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 283 Durowe 69-21 Height 283 Durowe 69-21INT.S 3.69 Height 283 ST 69 ST 69-21 ST 69N Height 318 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 318 Durowe 69-21 Height 318 Durowe 69-21INT.S 3.69 Height 318 ST 69 ST 69-21 ST 69N Height 438 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 438 Durowe 69-21 Height 438 Durowe 69-21INT.S 3.69 Height 438 ST 69 ST 69-21 ST 69N Height 718 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 718 Durowe 69-21 Height 718 Durowe 69-21INT.S 3.69 Height 718 ST 69 ST 69-21 ST 69N
250ISO 31.046	Hour wheel	INT.S 3.69 Height 110 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 110 Durowe 69-21 Height 110 Durowe 69-21INT.S 3.69 Height 110 ST 69 ST 69-21 ST 69N Height 135 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 135 Durowe 69-21 Height 135 Durowe 69-21INT.S 3.69 Height 135 ST 69 ST 69-21 ST 69N Height 155 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 155 Durowe 69-21 Height 155 Durowe 69-21INT.S 3.69 Height 155 ST 69 ST 69-21 ST 69N Height 185 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 185 Durowe 69-21 Height 185 Durowe 69-21INT.S 3.69 Height 185 ST 69 ST 69-21 ST 69N Height 220 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 220 Durowe 69-21 Height 220 Durowe 69-21INT.S 3.69 Height 220 ST 69 ST 69-21 ST 69N Height 340 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 340 Durowe 69-21 Height 340 Durowe 69-21INT.S 3.69 Height 340 ST 69 ST 69-21 ST 69N Height 620 FHF 60 FHF 60-21 FHF 60N FHF 77-21 FHF 692 Height 620 Durowe 69-21 Height 620 Durowe 69-21INT.S 3.69 Height 620 ST 69 ST 69-21 ST 69N
255ISO 31.046	Hour wheel	2nd execution INT.S 3.691 Height 110 INT.S 3.691 Height 135 INT.S 3.691 Height 155 INT.S 3.691
260ISO 31.041	Minute wheel	FHF 60 Durowe 69-21 ST 69 FHF 60 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69 FHF 60 Durowe 69-21 ST 69 ST 69-21 ST 69N ST 691 ST 691N Height 76 FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 77-21 FHF 601 FHF 692 Height 91 FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 77-21 FHF 601 FHF 692
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	FHF 60-21 FHF 692 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 ST 69N ST 691 ST 691N
311ISO 70.800	Upper cap jewel with end-piece	FHF 60-21 FHF 692 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 ST 69N ST 691 ST 691N
330ISO 70.801	Lower cap jewel with end-piece	FHF 60-21 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 ST 69N ST 691 ST 691N
346ISO 70.807	Lower cap jewel with end-piece, f. esc. wheel	Durowe 69-21 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69-21
401ISO 51.010	Winding stem	FHF 692 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69N
407ISO 31.121	Clutch wheel	FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 77-21 FHF 601 FHF 692 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 ST 69 FHF 60 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69 FHF 60 Durowe 69-21 ST 69 ST 69-21 ST 69N ST 691 ST 691N
410ISO 31.120	Winding pinion	FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 77-21 FHF 100.001 FHF 100.101 FHF 100.151 FHF 100.161 FHF 601 FHF 692 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 ST 69 FHF 60 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69 FHF 60 Durowe 69-21 ST 69 ST 69-21 ST 69N ST 691 ST 691N
415ISO 31.020	Ratchet wheel	Durowe 69-21 ST 69 2e Durowe 69-21 INT.S 691 ST 69 2e FHF 60 1e Durowe 69-21 2e ST 69 2e ST 69-21 ST 691
420ISO 31.023	Crown wheel	FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 601 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 INT.S 691 ST 69 FHF 60 Durowe 69-21 ST 69 ST 69-21 ST 691
422ISO 81.067	Crown wheel ring	FHF 32 FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 601 Durowe 69-21 ST 69 FHF 32 Durowe 69-21 ST 69 FHF 32 Durowe 69-21 INT.S 691 ST 69 FHF 32 Durowe 69-21 ST 69 ST 69-21 ST 691
425ISO 51.120	Click	FHF 32 FHF 34 FHF 34-21 FHF 35 FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 62 FHF 62-2 FHF 62-2N FHF 63 FHF 63-2 FHF 75 FHF 77-21 FHF 351 FHF 352 FHF 601 Durowe 69-21 ST 69 FHF 32 Durowe 69-21 ST 69 FHF 32 Durowe 69-21 INT.S 36 INT.S 362 INT.S 691 ST 69 FHF 32 Durowe 69-21 ST 69 ST 69-21 ST 691
430ISO 61.080	Click spring	FHF 32 FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 62 FHF 62-2 FHF 62-2N FHF 63 FHF 63-2 FHF 64 FHF 64-2 FHF 64-2N FHF 75 FHF 77-21 FHF 601 FHF 641 FHF 641-2 FHF 641-2N FHF 642 Durowe 69-21 ST 69 FHF 32 Durowe 69-21 ST 69 FHF 32 Durowe 69-21 INT.S 36 INT.S 362 INT.S 691 ST 69 FHF 32 Durowe 69-21 ST 69 ST 69-21 ST 691
435ISO 51.050	Yoke	FHF 60 2e FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 77-21 FHF 601 FHF 692 Durowe 69-21 2e ST 69 FHF 60 2e Durowe 69-21 ST 69 FHF 60 2e Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69 FHF 60 2e Durowe 69-21 ST 69 ST 69-21 ST 69N ST 691 ST 691N
440ISO 61.100	Yoke spring	FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 62 FHF 62-2 FHF 62-2N FHF 77-21 FHF 601 FHF 692 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 ST 69 FHF 60 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69 FHF 60 Durowe 69-21 ST 69 ST 69-21 ST 69N ST 691 ST 691N
443ISO 51.080	Setting lever	FHF 60 2e FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 601 Durowe 69-21 2e ST 69 FHF 60 2e Durowe 69-21 ST 69 FHF 60 2e Durowe 69-21 INT.S 691 ST 69 FHF 60 2e Durowe 69-21 ST 69 ST 69-21 ST 691
443/1ISO 51.080.06	Setting lever, assembled	FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69N
443/5443ISO 51.080.06/.01	Setting lever	FHF 60 2e Durowe 69-21 ST 69 FHF 60 2e Durowe 69-21 INT.S 691 ST 69 FHF 60 2e Durowe 69-21 ST 69 ST 69-21 ST 691 FHF 60 2e FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N Durowe 69-21 2e ST 69
445ISO 51.090	Setting lever spring	FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 62 FHF 62-2 FHF 62-2N FHF 601 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 ST 69 1st execution FHF 60 Durowe 69-21 ST 69 1st execution INT.S 691 1st execution FHF 60 Durowe 69-21 ST 69 ST 69-21 ST 691 2nd execution FHF 692INT.S 3.69INT.S 3.691ST 69N 2nd execution FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69N
450ISO 31.100	Setting wheel	FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 77-21 FHF 601 FHF 692 Durowe 69-21 ST 69 FHF 60 Durowe 69-21 ST 69 FHF 60 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69 FHF 60 Durowe 69-21 ST 69 ST 69-21 ST 69N ST 691 ST 691N
703ISO 30.040.11	Escape wheel and pinion, for lower end-piece	FHF 60-21 FHF 692 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 FHF 60-21 Durowe 69-21INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FHF 60-21 Durowe 69-21 ST 69-21 ST 69N ST 691 ST 691N
710ISO 40.010	Jewelled pallet fork and stat	FEF 6664 FEF 6665 FEF 6764 FEF 6765 FHF 692 Durowe 69-21 ST 69 FEF 6664 FHF 98 FHF 98-1 FHF 692 FHF 984 FHF 984-1 Durowe 69-21 ST 69 FEF 6664 Durowe 69-21 ST 69 INT.S 3.69INT.S 3.691 FEF 6664 FHF 692 Durowe 69-21 ST 69 ST 69-21 ST 69N ST 691 ST 691N
2535ISO 13.105 M6	Date indicator guard	FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21
2556ISO 33.020 M6	Date indicator driving wheel	FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21
2557/1ISO 91.440 M6	Date indicator, transferred	FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21
2558ISO 33.010 M6	Double-toothing hour wheel	INT.S 3.69INT.S 3.691INT.S 691 INT.S 3.69INT.S 3.691INT.S 691 Height 212 FEF 6664INT.S 3.69INT.S 3.691INT.S 691 Height 212 FEF 6664INT.S 3.69INT.S 3.691INT.S 691 Height 237 FEF 6664INT.S 3.69INT.S 3.691INT.S 691 Height 237 FEF 6664INT.S 3.69INT.S 3.691INT.S 691
2575ISO 63.030 M6	Date jumper spring	FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21
2576ISO 53.080 M6	Date jumper, mounted	FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21 FEF 6664 FHF 692INT.S 3.69INT.S 3.691INT.S 691 ST 69-21

Source: original interchangeability lists of INT.S (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.

🌀 Matching mainspring

Mainspring dimensions for INT.S 69-21 (height × diameter × thickness × length) and matching mainspring in our shop:

INT.S 69-21: 1.60 × 7.0 × 0.08 × 260 mm (GR 4446) · 🛒 1

🔗 Movements sharing the most parts

→ All calibers of INT.S

❓ Frequently asked questions

Which INT.S 69-21 spare parts also fit other movements?

For the INT.S 69-21, 36 part numbers are listed as interchangeable. Together they fit 51 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the INT.S 69-21?

The most shared parts: INT.S 3.69 (52 parts), INT.S 691 (41 parts), INT.S 3.691 (37 parts).

Which mainspring fits the INT.S 69-21?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 7.0 × 0.08 × 260 mm (GR 4446, hand-wound, normal end hook).