Seiko Cal. 6187 - 523

This Spring Drive model from 1966 features a 43mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-cb66000a3a87]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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