Seiko Cal. 0739 - 571

This Spring Drive model from 1976 features a 44mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-c606bcd69aa9]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1976

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