Seiko Cal. 3887 - 986

The 3887-986 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3887 caliber with 33j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-2cac372ef4fb]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1996

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