Seiko Cal. 6136 - 481

This Quartz model from 1977 features a 43mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-61a6fc38fe18]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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