Seiko Cal. 4431 - 312

Seiko 4431-312

The 4431-312 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-81b0fc5cb3ab]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Cream
Jewels
33j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1989

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