Seiko Cal. 3861 - 677

This Spring Drive model from 1977 features a 41mm Two-Tone case. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-f2e2e176959f]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

Related Models

• Seiko 6111-862
• Seiko 0774-378
• Seiko 6212-938
• Seiko 6213-570
• Seiko 4460-862
• Seiko 0742-253
• Seiko 7062-873
• Seiko 5674-475
• Seiko 5624-875
• Seiko 7062-969
• Seiko 3844-711
• Seiko 6697-445