Seiko Cal. 4430 - 578

This Spring Drive model from 1995 features a 39mm Hardlex-Coated Steel case. Powered by the 4430 caliber with 22j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-ff870470746b]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1995

Related Models

• Seiko 3889-803
• Seiko 6344-231
• Seiko 7187-436
• Seiko 6613-117
• Seiko 3821-558
• Seiko 6665-882
• Seiko 7020-902
• Seiko 6299-825
• Seiko 0739-487
• Seiko 6134-195
• Seiko 7168-150
• Seiko 3825-549