Seiko Cal. 0728 - 657

The Seiko 0728-657 represents an important milestone in Seiko's 1998 lineup. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-921c67b2ab44]

Also known as: Shogun, Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1998

Related Models

• Seiko 7165-868
• Seiko 6644-197
• Seiko 5256-772
• Seiko 3834-156
• Seiko 3826-532
• Seiko 6179-966
• Seiko 4496-807
• Seiko 4529-980
• Seiko 7072-432
• Seiko 6633-592
• Seiko 7018-902
• Seiko 6650-849