Seiko Cal. 4423 - 764

Released in 1988, the Cal. 4423 with design code 764 was part of Seiko's domestic market collection. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-ed2cac847a59]

Also known as: Samurai, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1988

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