Seiko Cal. 4433 - 230

The 4433-230 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4433 caliber with 36j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-a9b3f0346dcd]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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