Seiko Cal. 4423 - 841

The Seiko 4423-841 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-147077626bb9]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1980

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