Seiko Cal. 5687 - 783

This Spring Drive model from 1990 features a 39mm Two-Tone case. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-6b1cba5196af]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1990

Related Models

• Seiko 6642-697
• Seiko 7193-933
• Seiko 6274-783
• Seiko 7166-274
• Seiko 6295-647
• Seiko 6650-443
• Seiko 6277-691
• Seiko 4410-774
• Seiko 7097-453
• Seiko 5230-481
• Seiko 3813-227
• Seiko 4590-226