Seiko Cal. 6644 - 675

Seiko 6644-675

This Quartz model from 1976 features a 44mm Titanium case. Powered by the 6644 caliber with 36j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-e292a4e1646f]

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
44mm
Case Thickness
13.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Navy
Jewels
36j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1976

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