Seiko Cal. 4428 - 993

Released in 1970, the Cal. 4428 with design code 993 was part of Seiko's domestic market collection. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-3eb8cd59ae1b]

Also known as: Goldfeather, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1970

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