Seiko Cal. 4477 - 399

The 4477-399 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4477 caliber with 18j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-a3ad4596640b]

Also known as: Samurai, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

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