Seiko Cal. 0718 - 786

This Spring Drive model from 1978 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c860eaabba16]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1978

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