Seiko Cal. 7140 - 866

The Seiko 7140-866 represents an important milestone in Seiko's 1999 lineup. With its 22mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-8d0327a423fc]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1999

Related Models

• Seiko 6660-341
• Seiko 7199-330
• Seiko 7026-521
• Seiko 5637-456
• Seiko 7186-645
• Seiko 7050-653
• Seiko 6199-503
• Seiko 3880-597
• Seiko 5235-392
• Seiko 3893-878
• Seiko 6622-842
• Seiko 4476-977