Seiko Cal. 5221 - 648

The Seiko 5221-648 represents an important milestone in Seiko's 1998 lineup. Powered by the 5221 caliber with 27j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-ca6fc563d19b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1998

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