Seiko Cal. 5687 - 311

The Seiko 5687-311 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b37eb8bc3bf4]

Also known as: Bellmatic, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1984

Related Models

• Seiko 6612-328
• Seiko 5659-299
• Seiko 3848-301
• Seiko 0736-390
• Seiko 5644-841
• Seiko 6683-810
• Seiko 6154-551
• Seiko 6355-970
• Seiko 7181-550
• Seiko 6636-812
• Seiko 6168-396
• Seiko 4487-692