Seiko Cal. 0731 - 175

The Seiko 0731-175 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-a8476b657d1c]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1998

Related Models

• Seiko 5630-595
• Seiko 6360-773
• Seiko 5691-159
• Seiko 4546-609
• Seiko 7082-672
• Seiko 4465-825
• Seiko 5278-854
• Seiko 5267-394
• Seiko 7122-451
• Seiko 7074-893
• Seiko 5691-931
• Seiko 0718-449