Seiko Cal. 4470 - 903

The Seiko 4470-903 represents an important milestone in Seiko's 1981 lineup. Powered by the 4470 caliber with 32j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-af8baabc9393]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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