Seiko Cal. 4520 - 710

Seiko 4520-710

The 4520-710 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4520 caliber with 22j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-f73bb58f683c]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
46mm
Case Thickness
15.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
22j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1997

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