Seiko Cal. 7187 - 686

This Spring Drive model from 1974 features a 39mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-e13dfca57864]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1974

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