Seiko Cal. 3891 - 855

This Automatic model from 1968 features a 46mm PVD Black case. Powered by the 3891 caliber with 36j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-438191a5c4bd]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1968

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