Seiko Cal. 7120 - 981

This Solar model from 1975 features a 37mm Two-Tone case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5b0de5127c8f]

Also known as: Monster, Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1975

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