Seiko Cal. 3860 - 392

The Seiko 3860-392 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-a7baf7c77739]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1976

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