Seiko Cal. 5643 - 187

The Seiko 5643-187 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-5f6c80a85be3]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1989

Related Models

• Seiko 5640-661
• Seiko 3832-466
• Seiko 5276-398
• Seiko 6152-694
• Seiko 6267-804
• Seiko 3882-470
• Seiko 4525-819
• Seiko 3812-345
• Seiko 5684-182
• Seiko 6676-592
• Seiko 4437-848
• Seiko 4584-281