Seiko Cal. 5681 - 709

The Seiko 5681-709 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-5a51bebd0d81]

Also known as: Sea Horse, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1968

Related Models

• Seiko 6189-411
• Seiko 5658-999
• Seiko 6254-559
• Seiko 4597-191
• Seiko 6276-692
• Seiko 5632-722
• Seiko 3850-485
• Seiko 6139-729
• Seiko 6162-527
• Seiko 4480-484
• Seiko 4537-610
• Seiko 4486-831