Seiko Cal. 3891 - 615

The Seiko 3891-615 represents an important milestone in Seiko's 1992 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ddc36fb28a65]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1992

Related Models

• Seiko 5281-520
• Seiko 3872-532
• Seiko 7110-822
• Seiko 0769-830
• Seiko 5643-804
• Seiko 6155-818
• Seiko 6173-789
• Seiko 5662-678
• Seiko 7030-502
• Seiko 4473-440
• Seiko 6186-382
• Seiko 4572-289