Seiko Cal. 3861 - 572

This Solar model from 1977 features a 42mm Stainless Steel case. Powered by the 3861 caliber with 23j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-b8f3820266fe]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1977

Related Models

• Seiko 6374-556
• Seiko 6125-609
• Seiko 3823-525
• Seiko 4566-402
• Seiko 6619-644
• Seiko 6623-903
• Seiko 3884-221
• Seiko 6659-277
• Seiko 3895-864
• Seiko 3872-352
• Seiko 4428-600
• Seiko 5682-171