Seiko Cal. 3887 - 866

The 3887-866 is a sought-after Solar piece from Seiko's golden era. Powered by the 3887 caliber with 19j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-d03d0a0d8670]

Also known as: Tuna, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1976

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