Seiko Cal. 6166 - 191

This Spring Drive model from 1978 features a 38mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-ee08fd8bf9b7]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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