SEIKO - SBDC031
Specifications
- Caliber Number : 6R15
 - Movement Type: Automatic with manual winding
 - Duration: Approx. 50 hours
 - Case Material: Stainless steel
 - Crystal: Sapphire crystal
 - LumiBrite: LumiBrite on hands, index(es) and bezel
 - Clasp: Three-fold clasp with secure lock , push button release with extender
 - Water Resistance: 200m / 660ft diver's
 - Case Size
 Thickness: 13 mm
 Diameter: 44 mm
 - Screw case back
 - Screw-down crown
 - Three-fold clasp with secure lock
 - Unidirectional rotating bezel
 - 23 jewels
 - Date display
 - Stop second hand function