Seiko Cal. 3866 - 766

This Automatic model from 1980 features a 38mm Gold-Plated case. It features a White dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-ef9c0a3caa99]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1980

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