Seiko Cal. 5670 - 739

The Seiko 5670-739 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-593a9a090ef5]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1977

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