Seiko Cal. 6637 - 628

Seiko 6637-628

This Kinetic model from 1991 features a 44mm Gold-Plated case. Powered by the 6637 caliber with 33j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-e3f702e7d701]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Green
Jewels
33j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1991

Related Models

seikata-wm-e3f702e7d701