Seiko Cal. 4487 - 764

Seiko 4487-764

The 4487-764 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-688a4559ffef]

Also known as: Rally

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Champagne
Jewels
17j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1971

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