Seiko Cal. 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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