Seiko Cal. 5251 - 191

This Hand-Winding model from 1974 features a 43mm Titanium case. Powered by the 5251 caliber with 32j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-b47d9c1ae104]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

Related Models

• Seiko 0766-478
• Seiko 0766-554
• Seiko 7019-950
• Seiko 7064-390
• Seiko 3825-499
• Seiko 6199-478
• Seiko 7140-299
• Seiko 5625-789
• Seiko 4579-677
• Seiko 5247-765
• Seiko 6215-430
• Seiko 6158-490