Seiko Cal. 3861 - 830

The 3861-830 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3861 caliber with 32j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-0039915ccabb]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1981

Related Models

• Seiko 6251-381
• Seiko 4510-214
• Seiko 6259-477
• Seiko 4571-163
• Seiko 6627-295
• Seiko 3866-287
• Seiko 5642-382
• Seiko 6279-810
• Seiko 3891-175
• Seiko 0746-538
• Seiko 7074-307
• Seiko 7185-847