Seiko Cal. 6339 - 343

The Seiko 6339-343 represents an important milestone in Seiko's 1978 lineup. Powered by the 6339 caliber with 25j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-f0bf2b33ad8e]

Also known as: Goldfeather, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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