Seiko Cal. 5680 - 639

The Seiko 5680-639 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ac895145ac09]

Also known as: Turtle, Pogue

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

Related Models

• Seiko 5636-472
• Seiko 5234-197
• Seiko 6223-574
• Seiko 5670-949
• Seiko 3858-518
• Seiko 6250-137
• Seiko 3882-105
• Seiko 7191-987
• Seiko 5290-960
• Seiko 0754-419
• Seiko 6656-560
• Seiko 4564-935