Seiko Cal. 3862 - 643

Seiko 3862-643

The Seiko 3862-643 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-4ff17b34a778]

Also known as: Sumo, Sea Horse

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Navy
Jewels
35j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1974

Related Models

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