Seiko Cal. 3894 - 528

This Hand-Winding model from 1975 features a 34mm Two-Tone case. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e7481d5b8fa1]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1975

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