Seiko Cal. 0722 - 438

The Seiko 0722-438 represents an important milestone in Seiko's 1998 lineup. Powered by the 0722 caliber with 35j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-bbe457b8bc34]

Also known as: Sumo, Shogun

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1998

Related Models

• Seiko 3827-717
• Seiko 5624-797
• Seiko 7011-103
• Seiko 4417-435
• Seiko 3890-448
• Seiko 0712-964
• Seiko 6183-953
• Seiko 5624-575
• Seiko 6123-517
• Seiko 6347-443
• Seiko 7047-245
• Seiko 6173-154