Seiko Cal. 4430 - 558

Seiko 4430-558

The 4430-558 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d895a0b07578]

Also known as: Turtle, World Timer

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
10.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Champagne
Jewels
24j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1969

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