Seiko Cal. 4428 - 308

This Solar model from 1971 features a 46mm Titanium case. Powered by the 4428 caliber with 18j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-4613e2850797]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1971

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