Seiko Cal. 6661 - 520

Released in 1981, the Cal. 6661 with design code 520 was part of Seiko's domestic market collection. With its 18mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-75ee338ab997]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1981

Related Models

• Seiko 5296-130
• Seiko 6359-528
• Seiko 6625-223
• Seiko 5247-442
• Seiko 5647-608
• Seiko 6392-218
• Seiko 4499-768
• Seiko 6676-238
• Seiko 4584-910
• Seiko 6650-298
• Seiko 6150-538
• Seiko 6116-902