Seiko Cal. 6637 - 287

This Kinetic model from 1981 features a 45mm Gold-Plated case. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-6e0a54c9403c]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

Related Models

• Seiko 6254-324
• Seiko 7196-721
• Seiko 6298-861
• Seiko 6690-716
• Seiko 5660-719
• Seiko 4422-772
• Seiko 7138-468
• Seiko 3860-499
• Seiko 6336-274
• Seiko 5223-397
• Seiko 7176-906
• Seiko 5629-460