Seiko Cal. 3860 - 547

Released in 1974, the Cal. 3860 with design code 547 was part of Seiko's domestic market collection. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-1960ab2430bc]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

Related Models

• Seiko 5632-926
• Seiko 6251-975
• Seiko 0769-131
• Seiko 5664-599
• Seiko 6398-319
• Seiko 0751-370
• Seiko 5241-412
• Seiko 6160-301
• Seiko 6141-734
• Seiko 4476-268
• Seiko 3838-608
• Seiko 5678-139