Seiko Cal. 5251 - 373

The Seiko 5251-373 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-ad46ed209831]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

Related Models

• Seiko 5226-320
• Seiko 6664-278
• Seiko 7081-774
• Seiko 6137-947
• Seiko 0746-525
• Seiko 5613-386
• Seiko 6113-648
• Seiko 3816-903
• Seiko 6628-600
• Seiko 4465-330
• Seiko 7158-566
• Seiko 6140-554