Seiko Cal. 7121 - 940

Seiko 7121-940

This Quartz model from 1977 features a 39mm Hardlex-Coated Steel case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2e970358964a]

Also known as: Monster, Navigator

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1977

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seikata-wm-2e970358964a