Seiko Cal. 4576 - 993

This Spring Drive model from 1979 features a 46mm PVD Black case. Powered by the 4576 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-165d27e3aa48]

Also known as: Samurai, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1979

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