Seiko Cal. 3861 - 355

The Seiko 3861-355 represents an important milestone in Seiko's 1977 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-ff3dca2c8a4b]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1977

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