Seiko Cal. 4578 - 668

This Hand-Winding model from 1970 features a 46mm Hardlex-Coated Steel case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6af2fbc36aea]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

Related Models

• Seiko 6287-983
• Seiko 5612-536
• Seiko 4471-442
• Seiko 4573-406
• Seiko 4571-230
• Seiko 3881-845
• Seiko 6390-806
• Seiko 5244-668
• Seiko 4555-638
• Seiko 4458-623
• Seiko 5231-227
• Seiko 6222-522