Seiko Cal. 5643 - 372

This Solar model from 1979 features a 37mm Two-Tone case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4b2304bc9eef]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1979

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