Seiko Cal. 4593 - 681

Seiko 4593-681

The 4593-681 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-37a9633ffbb3]

Also known as: Crown

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1979

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