Seiko Cal. 4432 - 638

Seiko 4432-638

The 4432-638 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-6c1a33e3ddf8]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
42mm
Case Thickness
11.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1971

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