Seiko Cal. 5681 - 610

The Seiko 5681-610 represents an important milestone in Seiko's 1984 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-7cb1dc2afe10]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1984

Related Models

• Seiko 5680-581
• Seiko 4517-262
• Seiko 3830-127
• Seiko 4522-757
• Seiko 3880-123
• Seiko 6223-101
• Seiko 3887-712
• Seiko 6613-147
• Seiko 4556-648
• Seiko 5274-733
• Seiko 4461-421
• Seiko 5681-914