Seiko Cal. 5211 - 550

Seiko 5211-550

The 5211-550 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5211 caliber with 21j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-df2a6b16368a]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
8.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Black
Jewels
21j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1996

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