Seiko Cal. 3887 - 813

The Seiko 3887-813 represents an important milestone in Seiko's 1991 lineup. Powered by the 3887 caliber with 27j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-c0d2ebefa537]

Also known as: Shogun, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1991

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