Seiko Cal. 5638 - 360

This Hand-Winding model from 1982 features a 43mm Titanium case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-65cb5a242bf0]

Also known as: UFO, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1982

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