Seiko Cal. 3864 - 431

The Seiko 3864-431 represents an important milestone in Seiko's 1967 lineup. Powered by the 3864 caliber with 25j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-ed4678397529]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1967

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