Seiko Cal. 3866 - 634

The Seiko 3866-634 represents an important milestone in Seiko's 1984 lineup. Powered by the 3866 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-cf197fbd2ecc]

Also known as: Goldfeather, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1984

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