Seiko Cal. 3815 - 723

This Spring Drive model from 1968 features a 42mm Gold-Plated case. With its 21mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-9e79a860bfef]

Also known as: Shogun, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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