Seiko Cal. 6339 - 840

The 6339-840 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6339 caliber with 22j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-71a7f6ac2d61]

Also known as: Rally, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1982

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