Seiko Cal. 3891 - 289

The Seiko 3891-289 represents an important milestone in Seiko's 1979 lineup. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-584f0eece114]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1979

Related Models

• Seiko 6634-205
• Seiko 7137-987
• Seiko 6673-835
• Seiko 5671-754
• Seiko 0782-574
• Seiko 5699-314
• Seiko 5295-990
• Seiko 6185-924
• Seiko 4591-224
• Seiko 4532-661
• Seiko 5240-107
• Seiko 3872-909