Seiko Cal. 6320 - 590

The 6320-590 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6320 caliber with 20j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-10a5ec5f6276]

Also known as: Pogue, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1985

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