Seiko Cal. 5221 - 837

The 5221-837 is a sought-after Solar piece from Seiko's golden era. Powered by the 5221 caliber with 30j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-08d668acbc50]

Also known as: Bellmatic, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1983

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