Seiko Cal. 5623 - 631

This Hand-Winding model from 1988 features a 45mm Gold-Plated case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-aac2cc246dbe]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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