Seiko Cal. 4459 - 917

The 4459-917 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4459 caliber with 30j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-a5be445e11b0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1991

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