Seiko Cal. 4428 - 940

This Solar model from 1990 features a 46mm PVD Black case. Powered by the 4428 caliber with 30j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-8bf27bfc3e1a]

Also known as: Rally, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1990

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