Seiko Cal. 5649 - 660

The Seiko 5649-660 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1e7c32af2ca0]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1966

Related Models

• Seiko 5238-215
• Seiko 6336-105
• Seiko 3857-807
• Seiko 7152-982
• Seiko 5659-298
• Seiko 7198-531
• Seiko 4561-769
• Seiko 3821-333
• Seiko 6277-424
• Seiko 5260-464
• Seiko 6333-997
• Seiko 7057-381