Seiko Cal. 4431 - 400

Seiko 4431-400

The 4431-400 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0f75f897b742]

Also known as: Helmet, Rally

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
45mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1974

Related Models

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