Seiko Cal. 6390 - 394

The 6390-394 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6390 caliber with 33j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-ab4638285856]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1985

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