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IWC Caliber 73 Chronometre, circa 1924
This conversion presents an early-1920s IWC Chronometre movement reinterpreted for wrist wear, retaining the pocket-watch scale in a modern 43mm stainless steel case with exhibition back. The sector-style dial has been sympathetically restored by a specialist to preserve period appearance, while the finger-bridge architecture of the Caliber 73 remains clearly visible through the display caseback. Manually wound and finished in the style of early IWC chronometers, the movement speaks to the brand’s technical tradition. For a contemporary collector it offers a tactile connection to early wristwatch engineering and classical finishing in a wearable format.
Watch dossier
Important details, without the clutter.
01Specifications+
- Brand / model
- IWC Schaffhausen IWC Schaffhausen
- Estimated production
- Circa 1924
- Case material
- Stainless steel with a transparent exhibition back
- Case diameter
- 43 mm
- Lug-to-lug
- 52 mm
- Thickness
- 13 mm
- Dial
- Professionally restored by a dial specialist using period-correct techniques
- Crystal
- Mineral
- Crown
- Signed
- Strap / bracelet
- Calf leather strap
- Movement
- Manual wind, pocket watch style finger-bridge layout, small seconds
- Caliber
- IWC Caliber 73
- Movement serial
- 7929••••
02Service & provenance+
The service includes the following operations: • Disassembly of the watch • Movement overhaul: dismantling • Cleaning, reassembly and lubrication • Use of Moebius synthetic oils • Ultrasonic cleaning of the case • Reassembly of the case and the watch • Final technical and aesthetic checks
03Delivery & returns+
Current store policies apply to this purchase.
Included with the watch