Seiko Cal. 4542 - 641

This Solar model from 1965 features a 37mm Hardlex-Coated Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-8dd6ce4ed606]

Also known as: Turtle, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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