Seiko Cal. 4457 - 794

This Quartz model from 1986 features a 44mm Hardlex-Coated Steel case. Powered by the 4457 caliber with 18j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-05a99f8d65c8]

Also known as: Helmet, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1986

Related Models

• Seiko 4583-878
• Seiko 4486-909
• Seiko 0787-205
• Seiko 6368-642
• Seiko 6276-949
• Seiko 4482-670
• Seiko 7139-446
• Seiko 4471-990
• Seiko 6698-694
• Seiko 5698-230
• Seiko 4534-303
• Seiko 6685-292