Seiko Cal. 3864 - 543

The Seiko 3864-543 represents an important milestone in Seiko's 1967 lineup. Powered by the 3864 caliber with 20j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-dfe2630bc5b2]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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