Seiko Cal. 6631 - 153

Seiko 6631-153

This Quartz model from 1980 features a 41mm Titanium case. Powered by the 6631 caliber with 28j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-705670c8a0be]

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
41mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1980

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seikata-wm-705670c8a0be