Seiko Cal. 5665 - 557

This Automatic model from 1977 features a 38mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-e470db9bde79]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

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