Seiko Cal. 6642 - 651

Seiko 6642-651

This Kinetic model from 1968 features a 44mm Titanium case. Powered by the 6642 caliber with 21j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-6f7c9f8710c1]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
44mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Champagne
Jewels
21j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1968

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