Seiko Cal. 4433 - 331

The 4433-331 is a sought-after Solar piece from Seiko's golden era. Powered by the 4433 caliber with 21j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-e5679df0cd0e]

Also known as: Turtle, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1991

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