Seiko Cal. 4477 - 445

The 4477-445 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4477 caliber with 19j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-0c85e932d4c7]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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