Seiko Cal. 3866 - 555

The 3866-555 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3866 caliber with 27j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-567aacd3ad0c]

Also known as: Goldfeather, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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