Seiko Cal. 3860 - 155

This Spring Drive model from 1977 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-9bfbf820fd8d]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

Related Models

• Seiko 6347-427
• Seiko 3814-658
• Seiko 7022-334
• Seiko 0782-148
• Seiko 5694-332
• Seiko 6386-493
• Seiko 6150-115
• Seiko 6265-604
• Seiko 6136-328
• Seiko 0732-107
• Seiko 4563-185
• Seiko 3825-716