- Case: 39mm
- Lug to Lug: 46mm
- Height: 11.5mm
- WR: 50m
- Lug width: 20mm
- Movt: Top grade ETA 7001
- Caseback: Sapphire
- Strap: Premium handmade Lizard strap by Yi Leather
The Feynman One collection features the venerable Swiss ETA 7001, which has an impressive 42 hours of power reserve. The caliber is manufactured to ETA's Top-Grade specifications.