A rare stainless steel Arnold & Son HMS1 with an anthracite dial, one of a limited run of 250 pieces. The watch features a 40mm wide case with a 7.68mm thickness and houses the A&S1001 caliber, a hand-finished manually-wound movement providing 90 hours of power reserve.
- Condition: Near-mint
- Case diameter: 40mm
- Movement thickness: 2.7mm
- Power reserve: 90 hours