Seiko Cal. 3863 - 631

This Solar model from 1975 features a 44mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-0411fcb6c189]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1975

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