Seiko Cal. 3837 - 871

This Hand-Winding model from 1965 features a 46mm Stainless Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3910beb3c937]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1965

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