Seiko Cal. 4433 - 331

Seiko 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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