Seiko Cal. 3894 - 741

This Spring Drive model from 1977 features a 42mm Gold-Plated case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b1727d5bfb43]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

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