Seiko Cal. 4450 - 680

The Seiko 4450-680 represents an important milestone in Seiko's 1987 lineup. Powered by the 4450 caliber with 21j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-03cc43ca5ab5]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

Related Models

• Seiko 4584-972
• Seiko 6352-826
• Seiko 5218-567
• Seiko 6342-514
• Seiko 4496-484
• Seiko 4468-360
• Seiko 4483-499
• Seiko 5270-472
• Seiko 4561-490
• Seiko 5278-724
• Seiko 6666-231
• Seiko 7196-425