Seiko Cal. 7031 - 125

Seiko 7031-125

This Spring Drive model from 1981 features a 34mm Stainless Steel case. Powered by the 7031 caliber with 29j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-88c0ff6f8b1e]

Also known as: Monster, Crown

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
White
Jewels
29j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1981

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