Seiko Cal. 5641 - 633

Seiko 5641-633

This Quartz model from 1987 features a 34mm Stainless Steel case. Powered by the 5641 caliber with 30j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-f611d8e5778e]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1987

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