Seiko Cal. 4443 - 613

The Seiko 4443-613 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-30de04af0a0a]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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