Seiko Cal. 4431 - 813

Seiko 4431-813

The 4431-813 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1afbe1901944]

Also known as: Shogun

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1965

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seikata-wm-1afbe1901944