Seiko Cal. 6139 - 541

This Quartz model from 1981 features a 40mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-c2d39749128d]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

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