Seiko Cal. 6631 - 148

Seiko 6631-148

This Quartz model from 1974 features a 45mm Hardlex-Coated Steel case. Powered by the 6631 caliber with 29j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-ec5d0de76e88]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1974

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