Seiko Cal. 4430 - 848

Seiko 4430-848

The 4430-848 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3370b85eb128]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1979

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seikata-wm-3370b85eb128