Seiko Cal. 4491 - 660

The Seiko 4491-660 represents an important milestone in Seiko's 1984 lineup. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-c60ef20ef1c8]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1984

Related Models

• Seiko 6222-312
• Seiko 4541-217
• Seiko 6166-119
• Seiko 6676-599
• Seiko 6696-649
• Seiko 6640-629
• Seiko 5280-945
• Seiko 0783-456
• Seiko 6610-475
• Seiko 6676-235
• Seiko 6317-340
• Seiko 4573-529