Seiko Cal. 6390 - 729

The 6390-729 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6390 caliber with 32j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-fe6251b45395]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1968

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