Seiko Cal. 5639 - 555

This Solar model from 1975 features a 36mm Titanium case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-3b51b4dfe9ea]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1975

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