Seiko Cal. 3866 - 654

The Seiko 3866-654 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-e9933ed57ba0]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

Related Models

• Seiko 4566-955
• Seiko 4487-683
• Seiko 4549-408
• Seiko 5270-153
• Seiko 7110-223
• Seiko 6269-961
• Seiko 7089-807
• Seiko 6168-110
• Seiko 4570-789
• Seiko 4567-726
• Seiko 5616-443
• Seiko 5655-525