Seiko Cal. 5681 - 985

The Seiko 5681-985 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-837c73302217]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

Related Models

• Seiko 0711-102
• Seiko 0712-133
• Seiko 5286-689
• Seiko 7178-320
• Seiko 6292-119
• Seiko 3877-193
• Seiko 5668-246
• Seiko 7137-963
• Seiko 6121-509
• Seiko 5261-535
• Seiko 3875-540
• Seiko 6617-227