Seiko Cal. 6669 - 644

This Spring Drive model from 1973 features a 42mm Stainless Steel case. It features a White dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-7d2ac77ae3b7]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1973

Related Models

• Seiko 4546-235
• Seiko 7030-546
• Seiko 6392-866
• Seiko 6221-540
• Seiko 6637-359
• Seiko 6234-588
• Seiko 4441-206
• Seiko 4596-939
• Seiko 6394-439
• Seiko 4478-814
• Seiko 6357-707
• Seiko 6680-282