Seiko Cal. 7187 - 845

This Spring Drive model from 1985 features a 39mm Hardlex-Coated Steel case. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-540151b06e2a]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1985

Related Models

• Seiko 7016-737
• Seiko 0771-444
• Seiko 7153-209
• Seiko 7057-300
• Seiko 7027-265
• Seiko 7035-658
• Seiko 3899-576
• Seiko 6342-515
• Seiko 7092-628
• Seiko 6378-290
• Seiko 6397-972
• Seiko 6224-124