Seiko Cal. 3866 - 104

The Seiko 3866-104 represents an important milestone in Seiko's 1977 lineup. Powered by the 3866 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-8c3afb79753c]

Also known as: Shogun, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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