Seiko Cal. 3863 - 639

This Hand-Winding model from 1972 features a 37mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-57ea23b841fe]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1972

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