Seiko Cal. 4457 - 891

The Seiko 4457-891 represents an important milestone in Seiko's 1981 lineup. Powered by the 4457 caliber with 17j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-164738750d72]

Also known as: Navigator, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

Related Models

• Seiko 4522-525
• Seiko 3877-153
• Seiko 4542-779
• Seiko 4599-531
• Seiko 6172-170
• Seiko 6224-672
• Seiko 5686-548
• Seiko 4443-490
• Seiko 5259-316
• Seiko 3885-927
• Seiko 5630-352
• Seiko 5614-633