Seiko Cal. 5643 - 404

This Solar model from 1968 features a 43mm Titanium case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4a9e2d4a9a37]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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