Seiko Cal. 3861 - 930

This Solar model from 1975 features a 39mm Hardlex-Coated Steel case. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-a9a56ee44838]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1975

Related Models

• Seiko 4513-800
• Seiko 6197-790
• Seiko 3894-903
• Seiko 4431-836
• Seiko 4583-666
• Seiko 5660-315
• Seiko 7152-823
• Seiko 6693-518
• Seiko 6141-529
• Seiko 4420-974
• Seiko 5692-297
• Seiko 5620-856