Seiko Cal. 3860 - 684

The Seiko 3860-684 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d6d29e0c8e7d]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

Related Models

• Seiko 4512-377
• Seiko 6192-292
• Seiko 0752-253
• Seiko 5698-450
• Seiko 6322-560
• Seiko 3838-190
• Seiko 0786-163
• Seiko 6338-166
• Seiko 0748-602
• Seiko 6140-264
• Seiko 6695-711
• Seiko 0751-977