Seiko Cal. 7178 - 478

This Spring Drive model from 1983 features a 40mm Hardlex-Coated Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-81a3882e4976]

Also known as: Samurai, Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1983

Related Models

• Seiko 6317-200
• Seiko 7161-580
• Seiko 6347-444
• Seiko 6123-742
• Seiko 6177-167
• Seiko 4438-226
• Seiko 4596-284
• Seiko 3816-328
• Seiko 6220-526
• Seiko 6353-158
• Seiko 7133-931
• Seiko 6232-609