Seiko Cal. 4521 - 775

Seiko 4521-775

The 4521-775 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4521 caliber with 32j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-78c6ff025e8b]

Also known as: Samurai, Sumo

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
8.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Champagne
Jewels
32j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1969

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