Stainless Steel Pre-Daytona Style Watch Case Set fit Seagull TY2901,2902,2903 & ST1901,1902,1903 Daytona Style Chronograph

Case Material : 316L Stainless Steel Case with 3mm Dome Reinforced Mineral Crystal (Thicken)

Bezel : 316L Solid Stainless Steel Smooth Bezel

Crown Material : Stainless Steel Screw Down Crown

Case Back : Stainless Steel Screw Down SolidCase Back

Diameter: 40mm including a crown, 46mm lugs to lugs.

Case thickness: 15.5 mm including a crystal

Width between lugs: 20mm

Bezel diameter: 40mm

Case inside diameter: 32.05 mm

Diameter of internal shoulder (visible dial): 29.40mm

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

Height between internal shoulder and crystal: 4.5mm

Height between internal shoulder and stem hole center: 2.6mm

Case back cover height including a thread: 4.2mm

Case back cover height excluding a thread: 3.0mm

Case back cover diameter: 34mm

Case back cover's thread diameter: 31mm

Crown diameter: 5mm

Push crown diameter: 4.8mm

Water Resistant : Tested 5 ATM

2 Spring bars & Movement Holder are included

( Please double check your Movement Model before you buy this item ! )

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