Seiko Cal. 6644 - 284

This Quartz model from 1995 features a 39mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-ee47480b67df]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1995

Related Models

• Seiko 7171-875
• Seiko 5638-666
• Seiko 5646-571
• Seiko 5661-728
• Seiko 6163-562
• Seiko 0753-155
• Seiko 7185-341
• Seiko 5613-821
• Seiko 4592-669
• Seiko 5634-497
• Seiko 7171-405
• Seiko 4593-629