Seiko Cal. 5678 - 631

Seiko 5678-631

This Quartz model from 1981 features a 38mm Titanium case. Powered by the 5678 caliber with 29j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-9ff60e7d86d3]

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
38mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1981

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seikata-wm-9ff60e7d86d3