Seiko Cal. 5681 - 565

The Seiko 5681-565 represents an important milestone in Seiko's 1979 lineup. Powered by the 5681 caliber with 29j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-f3bba8a8c5e0]

Also known as: UFO, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

Related Models

• Seiko 7135-631
• Seiko 3815-683
• Seiko 6665-567
• Seiko 6366-183
• Seiko 6368-428
• Seiko 7157-120
• Seiko 5245-658
• Seiko 6184-333
• Seiko 5287-771
• Seiko 4514-594
• Seiko 6294-519
• Seiko 6287-732