Seiko Cal. 5690 - 442

This Solar model from 1981 features a 37mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-a626a8655416]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1981

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