Seiko Cal. 3851 - 884

The Seiko 3851-884 represents an important milestone in Seiko's 1968 lineup. Powered by the 3851 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-6dc36bdfab49]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1968

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