Seiko Cal. 6644 - 140

This Quartz model from 1992 features a 37mm PVD Black case. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-8b442930b1ef]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1992

Related Models

• Seiko 6118-865
• Seiko 4523-936
• Seiko 6672-802
• Seiko 6658-804
• Seiko 5217-514
• Seiko 4532-682
• Seiko 5626-863
• Seiko 3883-912
• Seiko 5619-649
• Seiko 7017-267
• Seiko 4513-811
• Seiko 7123-109