Seiko Cal. 7131 - 197

Seiko 7131-197

This Quartz model from 1966 features a 44mm Stainless Steel case. Powered by the 7131 caliber with 20j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-71fb28fd0f8e]

Also known as: Monster, Flighty

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1966

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