Seiko Cal. 7198 - 660

This Solar model from 1981 features a 37mm Titanium case. It features a Silver dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-071a7ea3f59a]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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