Seiko Cal. 7181 - 176

This Quartz model from 1987 features a 40mm Stainless Steel case. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-c77bf1e41c1b]

Also known as: Monster, Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1987

Related Models

• Seiko 4433-722
• Seiko 4584-243
• Seiko 5210-363
• Seiko 5660-622
• Seiko 7184-378
• Seiko 4465-568
• Seiko 5668-411
• Seiko 7088-667
• Seiko 6287-151
• Seiko 6123-767
• Seiko 5240-582
• Seiko 6188-472