Seiko Cal. 4427 - 714

This Solar model from 1989 features a 43mm PVD Black case. Powered by the 4427 caliber with 19j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-fb972ebee156]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1989

Related Models

• Seiko 7016-449
• Seiko 6220-325
• Seiko 0716-436
• Seiko 5251-604
• Seiko 6659-892
• Seiko 3865-535
• Seiko 3850-815
• Seiko 6615-753
• Seiko 4512-206
• Seiko 7045-444
• Seiko 0767-987
• Seiko 0731-806