Derwent Spec
- 38mm diameter, 9mm depth
- Japanese Miyota 6T33 manual mechanical movement
- Accuracy of +20/-15 seconds per day
- Power reserve of 40+ hours
- Hi-dome custom acrylic crystal
- Solid engraved case-back with port-hole crystal
- Unique domed dial profile with chapter ringt
- Black leather strap with polished buckle
- 20mm lugs
- 3 ATM
