Seiko Cal. 4570 - 990

Seiko 4570-990

The 4570-990 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4570 caliber with 25j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-9de9b394811e]

Also known as: Sumo, Bellmatic

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
45mm
Case Thickness
8.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1999

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