Seiko Cal. 6647 - 737

Seiko 6647-737

The 6647-737 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-a03c2d89abfc]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
43mm
Case Thickness
12.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Navy
Jewels
34j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1985

Related Models

seikata-wm-a03c2d89abfc