Seiko Cal. 3866 - 270

The Seiko 3866-270 represents an important milestone in Seiko's 1980 lineup. Powered by the 3866 caliber with 20j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-396a6ff7aa6e]

Also known as: Goldfeather, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1980

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