Seiko Cal. 3863 - 102

This Hand-Winding model from 1976 features a 41mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-cd7862cd6443]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1976

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