Seiko Cal. 4538 - 997

This Solar model from 1969 features a 45mm Titanium case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ae1945a8aeb3]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1969

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