Seiko Cal. 6239 - 520

The 6239-520 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6239 caliber with 27j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-247d5fb3f426]

Also known as: Panda, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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