Seiko Cal. 3890 - 948

The Seiko 3890-948 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-e296c9f70819]

Also known as: Tuna, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1976

Related Models

• Seiko 6645-316
• Seiko 6640-970
• Seiko 6252-223
• Seiko 5227-167
• Seiko 5658-117
• Seiko 6383-731
• Seiko 4546-315
• Seiko 4592-890
• Seiko 7073-588
• Seiko 0791-723
• Seiko 6269-698
• Seiko 5676-469