Seiko Cal. 5221 - 436

The 5221-436 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5221 caliber with 22j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-d0d64bd680f6]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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