Seiko Prospex U.S. Special Edition SPB421

Seiko Prospex U.S. Special Edition Stainless Steel Case With Super-Hard Coating Blue Dial Automatic With Manual Winding Capability 40.5mm SPB421

Prospex U.S. Special Edition
1965 Heritage Diver's Watch
Automatic with manual winding capability
Dark blue uni-directional rotating elapsed timing bezel
Deep blue dial patterned and gradated to suggest the icy surfaces of the perilous, yet beautiful, Alaska Moulins
Date calendar
LumiBrite hands and markers
Screwdown crown and caseback
Tri-fold push button release clasp with secure lock and extender
CASE: Stainless steel case with super-hard coating
CRYSTAL MATERIAL: Curved 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: Blue
STRAP: Stainless steel bracelet with super-hard coating
THICKNESS: 13.2mm
DIAMETER: 40.5mm
LENGTH: 47.6mm
Caliber 6R35
21,600 vibrations per hour
24 jewels
Power reserve: approximately 70 hours