Seiko Cal. 5664 - 629

Released in 1979, the Cal. 5664 with design code 629 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-9b3ab8ea859e]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1979

Related Models

• Seiko 4523-773
• Seiko 6134-168
• Seiko 4510-116
• Seiko 7077-913
• Seiko 3878-116
• Seiko 4546-604
• Seiko 3823-509
• Seiko 4467-947
• Seiko 4469-458
• Seiko 6146-476
• Seiko 0715-530
• Seiko 7175-957