Seiko Cal. 6616 - 991

This Spring Drive model from 1992 features a 35mm Gold-Plated case. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-413f7c8e0898]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1992

Related Models

• Seiko 6176-181
• Seiko 4520-252
• Seiko 4420-873
• Seiko 4543-602
• Seiko 6650-621
• Seiko 6227-597
• Seiko 0710-226
• Seiko 6380-344
• Seiko 7146-968
• Seiko 4412-540
• Seiko 6178-673
• Seiko 7069-276