Seiko Cal. 4421 - 764

Released in 1991, the Cal. 4421 with design code 764 was part of Seiko's domestic market collection. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-6ce58cf96a16]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1991

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