Seiko Cal. 3863 - 636

This Automatic model from 1967 features a 45mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-ae1769e2225f]

Also known as: Turtle, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1967

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