Seiko Cal. 3890 - 761

The Seiko 3890-761 represents an important milestone in Seiko's 1966 lineup. Powered by the 3890 caliber with 21j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-66b07a0d2938]

Also known as: World Timer, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1966

Related Models

• Seiko 6620-579
• Seiko 5674-365
• Seiko 3821-945
• Seiko 6637-465
• Seiko 3846-737
• Seiko 5267-657
• Seiko 7049-826
• Seiko 4561-581
• Seiko 3890-791
• Seiko 5627-375
• Seiko 7042-280
• Seiko 4568-186