Compatible with Seagull

ST1903/TY2903, ST1902/TY2902, ST1901/TY2901 movements

This is a quality 316L stainless steel watch case with a screw down display case back cover. Case back and a crowns are rubber sealed.

SPECIFICATIONS: 

Crystal - hardened mineral

Water resistance:5 ATM

Diameter: 48mm including a crown, 50mm lugs to lugs, 42mm excluding a crown

Case thickness: 14 mm including a crystal

Width between lugs: 24mm

Bezel diameter: 37mm

Case internal diameter: 35 mm

Diameter of internal shoulder (visible dial): 28 mm

Case internal height from internal shoulder to the edge: 6 mm

Height between internal shoulder to crystal: 3 mm

Height between internal shoulder and stem hole center : 3 mm

Crown diameter: 7 mm

Crystal diameter: 34 mm