Seiko Cal. 4431 - 658

This Spring Drive model from 1998 features a 44mm Two-Tone case. Powered by the 4431 caliber with 32j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-1f21125212c2]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1998

Related Models

• Seiko 5233-918
• Seiko 4482-134
• Seiko 6345-712
• Seiko 6378-937
• Seiko 6114-386
• Seiko 5236-882
• Seiko 6652-790
• Seiko 7012-971
• Seiko 6215-440
• Seiko 5688-269
• Seiko 5235-993
• Seiko 6133-588