Seiko Cal. 4431 - 165

Seiko 4431-165

The 4431-165 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3e447d57f064]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
39mm
Case Thickness
10.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
36j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1971

Related Models

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