Seiko Watchmaking 110th Anniversary Limited Editions

Caliber Number: 6R27
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 45 hours
Jewels: 29
Functions:
- Date hand
- Power reserve indicator
- Stop second hand function
- Date display

Case Material: Stainless steel (super hard coating)
Case Size:
- Thickness:12.8mm
- Diameter:40.2mm
- Lug-to-lug:48.0mm

Crystal: Dual-curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Band Material: Calfskin
Clasp: Three-fold clasp with push button release
Distance between lugs: 20

Water Resistance: 10 bar
Magnetic Resistance: 4,800 A/m
Weight: 94.0g

Features:
- LIMITED EDITION on the case back
- Enamel dial
- See-through & Screw case back

*In an actual product, the case back direction might be different from the photograph.
**This enamel watch dial is manufactured by firing it at a high temperature. The process of melting enamel may create small dimples, tiny dots, and a rough surface. These attributes are unique features of genuine enamel watch dials, of which no two are exactly alike.