Seiko Cal. 5644 - 934

Seiko 5644-934

This Automatic model from 1978 features a 35mm Stainless Steel case. Powered by the 5644 caliber with 22j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f67e4542c21e]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1978

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