Seiko Cal. 3887 - 564

The Seiko 3887-564 represents an important milestone in Seiko's 1970 lineup. Powered by the 3887 caliber with 22j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-87ced1816cf1]

Also known as: Navigator, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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