Seiko Cal. 5687 - 143

The Seiko 5687-143 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-644583d7db9c]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1973

Related Models

• Seiko 6334-849
• Seiko 4541-401
• Seiko 6642-169
• Seiko 3819-659
• Seiko 4576-154
• Seiko 4455-573
• Seiko 7177-626
• Seiko 5685-902
• Seiko 0721-622
• Seiko 0755-988
• Seiko 4410-750
• Seiko 6223-138