Seiko Cal. 7177 - 990

The Seiko 7177-990 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-8d9db7375cee]

Also known as: Shogun, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1987

Related Models

• Seiko 4524-727
• Seiko 4461-718
• Seiko 4549-117
• Seiko 0746-777
• Seiko 5232-250
• Seiko 7027-826
• Seiko 6362-934
• Seiko 6686-684
• Seiko 6289-774
• Seiko 7134-712
• Seiko 4571-735
• Seiko 5274-147