Seiko Cal. 4430 - 745

Seiko 4430-745

The 4430-745 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-3fca02c66388]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1983

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seikata-wm-3fca02c66388