Seiko Cal. 6645 - 994

The 6645-994 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-74cbeebe8cf5]

Also known as: UFO, Flighty

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1975

Related Models

• Seiko 3899-313
• Seiko 6133-145
• Seiko 7185-611
• Seiko 7090-403
• Seiko 6276-618
• Seiko 3845-417
• Seiko 4521-589
• Seiko 6376-223
• Seiko 0762-638
• Seiko 6149-156
• Seiko 0789-380
• Seiko 5683-342