Seiko Cal. 4552 - 351

Seiko 4552-351

The 4552-351 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4552 caliber with 20j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-066afefa562f]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1968

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