Seiko Cal. 6648 - 766

Released in 1990, the Cal. 6648 with design code 766 was part of Seiko's domestic market collection. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-dd4de7463127]

Also known as: Turtle, Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1990

Related Models

• Seiko 6111-606
• Seiko 6154-298
• Seiko 4417-605
• Seiko 7127-422
• Seiko 5220-606
• Seiko 6217-710
• Seiko 3892-705
• Seiko 6117-526
• Seiko 6110-438
• Seiko 6215-744
• Seiko 4457-442
• Seiko 6282-549