Seiko Cal. 5666 - 891

The Seiko 5666-891 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-b6b9ec19adb7]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

Related Models

• Seiko 4531-445
• Seiko 3845-665
• Seiko 3874-398
• Seiko 6276-498
• Seiko 6327-494
• Seiko 4520-148
• Seiko 5260-872
• Seiko 0725-167
• Seiko 5676-895
• Seiko 6197-240
• Seiko 0753-318
• Seiko 6121-569