Seiko Cal. 7138 - 230

This Spring Drive model from 1973 features a 43mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-781a14464f9d]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1973

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