Seiko Prospex 1970 Heritage Diver's Stainless Steel Case With Super-Hard Coating Black Dial Automatic With Manual Winding Capability 42.7mm SPB151

Automatic Diver
Automatic with manual winding capability
Black one-way rotating elapsed timing bezel
Black dial
Date calendar
LumiBrite hands and markers
Tri-fold clasp with push button release, secure lock and extender
CASE: Stainless steel case with super-hard coating
CRYSTAL MATERIAL: Sapphire crystal with anti-reflective coating on the inner surface
WATER RESISTANCE: 200 meters (660 feet), follows ISO standards and is suitable for scuba diving
DIAL COLOR: Black
STRAP: Stainless steel bracelet with super-hard coating
THICKNESS: 13.2mm
DIAMETER: 42.7mm
LENGTH: 46.6mm
Caliber 6R35
21,600 vibrations per hour
24 jewels
Power reserve: approximately 70 hours