Seiko Cal. 5623 - 387

The Seiko 5623-387 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2d7b239bd38d]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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