Seiko Cal. 6320 - 390

The 6320-390 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6320 caliber with 28j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-9fc63d9d3f9a]

Also known as: Pogue, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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