Seiko Cal. 3887 - 550

The Seiko 3887-550 represents an important milestone in Seiko's 1981 lineup. Powered by the 3887 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-9219681b0ec9]

Also known as: Monster, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1981

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