Seiko Cal. 4428 - 743

This Automatic model from 1985 features a 43mm Titanium case. Powered by the 4428 caliber with 19j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-c61cc87caace]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1985

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