Seiko Cal. 7140 - 889

This Spring Drive model from 1977 features a 35mm Titanium case. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-ebb5e7f54915]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

Related Models

• Seiko 7047-337
• Seiko 7198-139
• Seiko 7014-434
• Seiko 7071-736
• Seiko 4450-290
• Seiko 3847-635
• Seiko 6261-869
• Seiko 0712-838
• Seiko 5267-738
• Seiko 6693-767
• Seiko 3811-599
• Seiko 4599-633