Seiko Cal. 4536 - 640

Seiko 4536-640

The 4536-640 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-2eefcfdf23a2]

Also known as: Goldfeather, World Timer

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1989

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