Seiko Cal. 5623 - 258

This Hand-Winding model from 1981 features a 40mm Stainless Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-9e2467b45a17]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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