Seiko Cal. 3870 - 974

This Quartz model from 1978 features a 37mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-85188cd26ea6]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1978

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