Seiko Cal. 0728 - 708

This Spring Drive model from 1975 features a 46mm Titanium case. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-fb2e6f2ebff8]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

Related Models

• Seiko 6637-383
• Seiko 6382-895
• Seiko 5273-347
• Seiko 7113-838
• Seiko 6615-325
• Seiko 5677-543
• Seiko 0732-667
• Seiko 6199-121
• Seiko 3873-492
• Seiko 4456-276
• Seiko 6316-465
• Seiko 6613-669