Seiko SRPH87K1

Specifications
Movement
Caliber Number
4R35

Movement Type
Automatic with manual winding
(buy from davvader)

Power reserve
Approx. 41 hours

Jewels
23

Functions
Stop seconds hand function
Date display

Case Size
Thickness: 11.8mm
Diameter: 41.2mm
Lug-to-lug: 48.5mm

Crystal
Hardlex

Clasp
Three-fold clasp with push button release

Distance between lugs
20mm

Water Resistance
10 bar

Weight
130.0g

Features
See-through & Screw case back