Seiko Cal. 5665 - 844

This Automatic model from 1968 features a 37mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-251fd1f8963e]

Also known as: Samurai, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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