Seiko Cal. 4470 - 790

This Hand-Winding model from 1992 features a 38mm Two-Tone case. Powered by the 4470 caliber with 30j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-982da42ef020]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1992

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