Seiko Cal. 4491 - 412

The Seiko 4491-412 represents an important milestone in Seiko's 1970 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-3342902052db]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1970

Related Models

• Seiko 4433-809
• Seiko 3866-726
• Seiko 7030-560
• Seiko 4528-969
• Seiko 6131-714
• Seiko 7063-559
• Seiko 5685-504
• Seiko 5276-336
• Seiko 3897-978
• Seiko 3896-868
• Seiko 7075-408
• Seiko 6359-789