Seiko Cal. 3863 - 550

Released in 1969, the Cal. 3863 with design code 550 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-118645312953]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1969

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