Seiko Cal. 3887 - 921

The 3887-921 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3887 caliber with 26j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-dcd56afca489]

Also known as: Navigator, Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

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