Seiko Cal. 5639 - 717

This Solar model from 1986 features a 38mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-e9fd13cbf857]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1986

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