Seiko SPB337

FEATURES:

Prospex Alpinist Black Series Limited Edition
Limited Edition of 5,500
Prospex Automatic
Re-interpretation of the 1959 Alpinist sports watch
Automatic with manual winding capability
Rotating inner compass ring
Black dial
Date calendar
"Green LumiBrite Pro" hands and markers,providing improved night visibility to professional standards
Screwdown crown and see-through caseback
Tri-fold push button release clasp

TECHNICAL DATA:

CASE DIMENSIONS:
THICKNESS: 13.2mm
DIAMETER: 39.5mm
LENGTH: 46.4mm

MOVEMENT:
Caliber 6R35
21,600 vibrations per hour
24 jewels
Power reserve: approximately 70 hours

CASE:
Stainless steel case with black hard coating

CRYSTAL MATERIAL:
Sapphire crystal with anti-reflective coating on the inner surface

WATER RESISTANCE:
20 bar,200 meters (660 feet)

DIAL COLOR:
Black

STRAP:
Stainless steel bracelet with black hard coating