Seiko Cal. 4480 - 661

Seiko 4480-661

The 4480-661 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4480 caliber with 17j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-68269ff85218]

Also known as: Sumo, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1992

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seikata-wm-68269ff85218