Seiko Cal. 6646 - 516

This Hand-Winding model from 1980 features a 42mm PVD Black case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-1a89681d3378]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

Related Models

• Seiko 6333-377
• Seiko 6191-588
• Seiko 7126-604
• Seiko 7122-159
• Seiko 5266-819
• Seiko 7094-233
• Seiko 6366-273
• Seiko 7150-908
• Seiko 6115-731
• Seiko 5293-807
• Seiko 0712-108
• Seiko 0711-934