Seiko Cal. 4491 - 320

The Seiko 4491-320 represents an important milestone in Seiko's 1995 lineup. Powered by the 4491 caliber with 18j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-354e4a06a160]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1995

Related Models

• Seiko 6217-317
• Seiko 0763-311
• Seiko 6132-876
• Seiko 7134-161
• Seiko 0796-784
• Seiko 5686-767
• Seiko 7027-293
• Seiko 6219-632
• Seiko 4446-802
• Seiko 7128-878
• Seiko 6186-807
• Seiko 5616-341