Compatible with Seagull

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

This is a quality 316L stainless steel watch case with screw down crown, screw down case back cover and  push crowns

SPECIFICATIONS:

Water resistance:5 ATM

Diameter: 43mm including a crown, 48mm lugs to lugs.

Case thickness: 16 mm including a crystal

Width between lugs: 20mm

Bezel diameter: 40mm

Case inside diameter: 33 mm

Diameter of internal shoulder (visible dial): 31.5mm

Case internal height from internal shoulder to the edge: 7mm

Height between internal shoulder and crystal: 2mm

Height between internal shoulder and stem hole center: 2.5mm

Crown diameter: 6.5mm

Push crown diameter: 5mm