Seiko Cal. 4430 - 997

Seiko 4430-997

The 4430-997 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c5a72535b21d]

Also known as: Navigator, Crown

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
45mm
Case Thickness
12.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Burgundy
Jewels
33j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1975

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