Seiko Cal. 6187 - 359

This Spring Drive model from 1967 features a 36mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-9eb1a606cbf9]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1967

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