Seiko Cal. 4475 - 748

This Spring Drive model from 1989 features a 43mm PVD Black case. Powered by the 4475 caliber with 31j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-4e8986ba6d1b]

Also known as: Silverwave, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1989

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