Seiko Cal. 4478 - 527

This Solar model from 1970 features a 36mm Hardlex-Coated Steel case. Powered by the 4478 caliber with 34j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-3a02f6a7c7ac]

Also known as: Rally, Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1970

Related Models

• Seiko 5677-372
• Seiko 0757-202
• Seiko 4533-796
• Seiko 4438-272
• Seiko 7090-200
• Seiko 5623-493
• Seiko 4525-783
• Seiko 5258-883
• Seiko 7037-943
• Seiko 0787-546
• Seiko 3851-714
• Seiko 6197-290