Seiko Cal. 6647 - 750

This Kinetic model from 1970 features a 35mm Stainless Steel case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-a24e0e83b883]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

Related Models

• Seiko 6242-516
• Seiko 4564-809
• Seiko 4467-150
• Seiko 3899-626
• Seiko 0731-451
• Seiko 6344-208
• Seiko 6220-788
• Seiko 6113-756
• Seiko 3881-543
• Seiko 6341-421
• Seiko 5694-690
• Seiko 5629-234