Seiko Cal. 4431 - 647

This Quartz model from 1995 features a 42mm Gold-Plated case. Powered by the 4431 caliber with 25j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-d00c0a346a93]

Also known as: UFO, Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1995

Related Models

• Seiko 3876-472
• Seiko 6692-959
• Seiko 4590-690
• Seiko 6148-752
• Seiko 7095-773
• Seiko 6289-395
• Seiko 5639-776
• Seiko 6168-834
• Seiko 4596-669
• Seiko 5217-664
• Seiko 3876-414
• Seiko 6133-636