Seiko Cal. 7136 - 423

This Solar model from 1978 features a 34mm Two-Tone case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-da1eab4eec04]

Also known as: Monster, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1978

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