Seiko Cal. 6339 - 400

The 6339-400 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6339 caliber with 18j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-c0987ed4ab5a]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1987

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