Seiko Cal. 0722 - 445

Seiko 0722-445

The Seiko 0722-445 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c762da1f3d69]

Also known as: Sumo, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
36j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1988

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seikata-wm-c762da1f3d69