Seiko Cal. 4431 - 332

Seiko 4431-332

The 4431-332 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-91c90765b2ab]

Also known as: Monster, Bullhead

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
39mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1965

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seikata-wm-91c90765b2ab