Seiko Cal. 4521 - 811

Seiko 4521-811

The 4521-811 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4521 caliber with 21j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-91836153ac49]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1966

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seikata-wm-91836153ac49