Seiko Cal. 4432 - 742

The 4432-742 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-84729d066eaa]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1970

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