Seiko Cal. 6644 - 167

This Kinetic model from 1981 features a 40mm Two-Tone case. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-bc0a195aeab6]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

Related Models

• Seiko 5673-446
• Seiko 4532-769
• Seiko 4559-741
• Seiko 6330-617
• Seiko 4498-701
• Seiko 6327-138
• Seiko 4477-109
• Seiko 6669-692
• Seiko 5249-497
• Seiko 3841-219
• Seiko 5249-485
• Seiko 6345-482