Seiko Cal. 3890 - 778

The Seiko 3890-778 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-1d01b55fc9df]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1986

Related Models

• Seiko 6389-653
• Seiko 6315-459
• Seiko 3874-348
• Seiko 6686-985
• Seiko 5612-511
• Seiko 3853-477
• Seiko 7160-790
• Seiko 4495-892
• Seiko 6685-595
• Seiko 6659-689
• Seiko 6192-900
• Seiko 3878-718