Seiko Cal. 3861 - 672

This Solar model from 1972 features a 40mm Titanium case. Powered by the 3861 caliber with 24j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-b1c1493e4352]

Also known as: Bullhead, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

Related Models

• Seiko 5616-371
• Seiko 6139-488
• Seiko 6186-140
• Seiko 0718-182
• Seiko 4465-664
• Seiko 0727-241
• Seiko 6216-918
• Seiko 6356-957
• Seiko 5292-122
• Seiko 4476-304
• Seiko 5613-121
• Seiko 6319-758