Seiko Cal. 4478 - 973

This Spring Drive model from 1998 features a 44mm Hardlex-Coated Steel case. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-f3412c4611d2]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1998

Related Models

• Seiko 6637-996
• Seiko 6612-337
• Seiko 7044-357
• Seiko 6699-233
• Seiko 6631-347
• Seiko 3848-636
• Seiko 4412-439
• Seiko 5228-878
• Seiko 3812-172
• Seiko 7065-946
• Seiko 6370-895
• Seiko 0718-500