Seiko Cal. 4433 - 937

The 4433-937 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-2774fc47400d]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1998

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