Seiko Cal. 6390 - 509

This Spring Drive model from 1991 features a 45mm Titanium case. Powered by the 6390 caliber with 24j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-bbf5fabfbb33]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1991

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