Seiko Cal. 5221 - 648

Seiko 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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