Seiko Prospex

Ref. # SPB051

The 23-jewel automatic movement beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 50 hours, and can be wound manually or automatically. With secure screwdown crown and caseback, this high-intensity timepiece follows ISO standards for scuba diving. 200m Water Resistant.

Gender: Men’s

Case Dimensions

• Thickness: 13.8mm
• Diameter: 42.6mm

Case: Stainless steel case with super-hard coating

Crystal Material: Sapphire crystal with anti-reflective coating on the inner surface

Dial Color: Black

Strap: Stainless steel bracelet with super-hard coating

Movement: Automatic with manual winding

Caliber 6R15
21,600 vibrations per hour
Precision: 25 to -15 seconds per day
23 jewels
Power reserve: approximately 50 hours

Water Resistance: 200 meters (660 feet), follows ISO standards and is suitable for scuba diving

Features:

Automatic Diver
Automatic with manual winding capability
Black dial
Black one way rotating elapsed timing bezel
Date calendar
Screwdown crown
LumiBrite hands and markers
Tri-fold push button release clasp with extender
Screw case back