Seiko Cal. 6181 - 233

This Hand-Winding model from 1974 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-466bb2288896]

Also known as: Turtle, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1974

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