Seiko Cal. 7121 - 931

Seiko 7121-931

This Solar model from 1989 features a 36mm Gold-Plated case. Powered by the 7121 caliber with 33j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-75264631cab9]

Also known as: Sumo, Helmet

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
White
Jewels
33j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1989

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seikata-wm-75264631cab9