Seiko Cal. 4431 - 593

Seiko 4431-593

The 4431-593 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-e827227ca29f]

Also known as: Samurai, World Timer

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
14.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
60m
Dial Color
White
Jewels
36j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1987

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