Seiko Cal. 5681 - 491

Released in 1985, the Cal. 5681 with design code 491 was part of Seiko's domestic market collection. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-9ccaa677fa91]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1985

Related Models

• Seiko 6665-749
• Seiko 4439-560
• Seiko 6675-747
• Seiko 4535-250
• Seiko 5636-448
• Seiko 7019-888
• Seiko 6140-404
• Seiko 5615-150
• Seiko 6160-230
• Seiko 6349-396
• Seiko 6646-539
• Seiko 6336-857