Seiko Cal. 4556 - 302

This Spring Drive model from 1999 features a 45mm Stainless Steel case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5d7e27dc014d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1999

Related Models

• Seiko 6641-291
• Seiko 6620-956
• Seiko 0746-868
• Seiko 6399-537
• Seiko 6662-182
• Seiko 7013-348
• Seiko 6118-779
• Seiko 3839-758
• Seiko 6175-626
• Seiko 4563-139
• Seiko 6383-681
• Seiko 3828-860