Seiko Cal. 4428 - 144

The 4428-144 is a sought-after Solar piece from Seiko's golden era. Powered by the 4428 caliber with 30j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-0d43dc0b702d]

Also known as: Goldfeather, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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