MOVEMENT:  Japanese OS20 Quartz Chrono Movement
CASE DIAMETER: 42.5mm
THICKNESS: 14.5mm
DIAL COLOR: Black Dial, Black Subdials, Steel Numeral Markers
CASE MATERIAL: Solid Stainless Steel 316
BRACELET:  Leather Strap with insignia buckle
FRONT GLASS:  Sapphire Crystal
BACK GLASS: Closed Caseback with Detialed Engraving
CLASP TYPE: Deployant Buckle

OTHER REMARKS:

Water Resistant 
Functional Chronograph
6:00 Subdial - Running Seconds
12:00 Subdial - Minute Counter
2:00 Pusher - Start/stop Chrono
4:00 Pusher - Reset