Seiko Cal. 6381 - 433

This Spring Drive model from 1974 features a 43mm Gold-Plated case. With its 18mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-8c5a7fdaa13b]

Also known as: Pogue, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1974

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