Seiko Cal. 4428 - 371

Released in 1990, the Cal. 4428 with design code 371 was part of Seiko's domestic market collection. With its 22mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-579c1aa9db34]

Also known as: Samurai, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1990

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