Seiko Cal. 4443 - 750

The Seiko 4443-750 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-aa4ae11abeff]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

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