Seiko Cal. 3861 - 861

This Automatic model from 1990 features a 35mm Titanium case. Powered by the 3861 caliber with 21j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-8d4521218737]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1990

Related Models

• Seiko 6128-672
• Seiko 6176-802
• Seiko 0747-529
• Seiko 6318-461
• Seiko 5284-311
• Seiko 7028-948
• Seiko 6313-909
• Seiko 3831-619
• Seiko 6671-164
• Seiko 4436-474
• Seiko 0781-463
• Seiko 0718-612