Seiko Cal. 4578 - 256

This Spring Drive model from 1979 features a 43mm Hardlex-Coated Steel case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c5c751c84112]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1979

Related Models

• Seiko 4587-901
• Seiko 5256-354
• Seiko 6697-933
• Seiko 6275-417
• Seiko 4564-451
• Seiko 5692-355
• Seiko 3870-887
• Seiko 5273-475
• Seiko 6281-642
• Seiko 4561-361
• Seiko 6262-740
• Seiko 6323-540