Seiko Cal. 4433 - 830

The 4433-830 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4433 caliber with 32j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-55d1eb169511]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1965

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