Seiko Cal. 3862 - 577

The Seiko 3862-577 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-55446cb4fb8d]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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