Seiko Cal. 6637 - 912

Seiko 6637-912

The 6637-912 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6637 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-ea9be9366e46]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
160m
Dial Color
Cream
Jewels
36j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1980

Related Models

seikata-wm-ea9be9366e46