Seiko Cal. 3870 - 105

The 3870-105 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-824f7b326e8e]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1985

Related Models

• Seiko 0752-967
• Seiko 4513-194
• Seiko 4526-925
• Seiko 6674-855
• Seiko 4418-382
• Seiko 4585-522
• Seiko 4513-116
• Seiko 7118-580
• Seiko 6132-997
• Seiko 3812-266
• Seiko 7062-300
• Seiko 6647-820