Seiko Cal. 4521 - 660

Seiko 4521-660

The 4521-660 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4521 caliber with 22j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-d96eb173ddc9]

Also known as: Samurai, Rally

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
22j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1994

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