Seiko King Seiko SPB291J1 Automatic Made in Japan

Movement
Calibre Number
6R31
Movement Type
Automatic with manual winding
Precision
+25 to -15 seconds per day
Power reserve
Approx. 70 hours
Jewels
24
Functions
Stop seconds hand function
Case/Band
Case Material
Stainless steel
Case Size
Thickness:12.1mm
Diameter:37.0mm
Lug-to-lug:43.6mm
Crystal
Box shaped sapphire crystal
Crystal Coating
Anti-reflective coating on inner surface
Clasp
Deployment clasp with push button release
Distance between lugs
19
Other Details
Water Resistance
10 bar
Weight
129.0
Features
SPECIAL EDITION on the case back
Screw case back