Seiko Cal. 6661 - 598

This Spring Drive model from 1977 features a 44mm PVD Black case. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-da7b3a3bf5ea]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1977

Related Models

• Seiko 5659-957
• Seiko 6212-592
• Seiko 3810-509
• Seiko 4576-145
• Seiko 4531-575
• Seiko 4519-590
• Seiko 4537-894
• Seiko 3819-633
• Seiko 4433-826
• Seiko 6656-256
• Seiko 7197-869
• Seiko 6371-818