Seiko Cal. 4478 - 517

The 4478-517 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4478 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-1e8df25e9682]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1995

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