Seiko Cal. 6331 - 206

This Hand-Winding model from 1976 features a 41mm Gold-Plated case. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-dcdba6b8b974]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1976

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