40mm case diameter without crown. Upgraded with a Saphire Crystal, re-lume to Original Dial, Hands upgraded, NOS Sieko Divers 2 piece strap, a full disassemble, cleaning, oiling, reassemble and timing performed on the original Japan made automatic movement in this watch a year ago. It runs like a top and is an eye-catcher. Case was professionally bead blasted for a "steampunk" look. Upgraded bezel as well. Paypal only. Thank you and pls look at my other watches for sale on eBay.