Seiko Cal. 4428 - 245

Released in 1975, the Cal. 4428 with design code 245 was part of Seiko's domestic market collection. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-3df7df0195c8]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1975

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