Seiko Cal. 4557 - 899

This Spring Drive model from 1965 features a 41mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-c21376fbc877]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1965

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