Seiko Cal. 4428 - 289

This Solar model from 1970 features a 38mm Hardlex-Coated Steel case. Powered by the 4428 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-1bd706dbe1ea]

Also known as: Pogue, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1970

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