Seiko Cal. 3866 - 518

The Seiko 3866-518 represents an important milestone in Seiko's 1987 lineup. Powered by the 3866 caliber with 35j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-efa0198d5cc8]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1987

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