Seiko Cal. 6220 - 721

Seiko 6220-721

The Seiko 6220-721 represents an important milestone in Seiko's 1997 lineup. Powered by the 6220 caliber with 35j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-eef8d7f3ac04]

Also known as: Sumo, Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Burgundy
Jewels
35j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1997

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