Seiko Cal. 4427 - 600

This Automatic model from 1987 features a 40mm Stainless Steel case. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-bccdb7386575]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1987

Related Models

• Seiko 4528-299
• Seiko 4529-975
• Seiko 0735-162
• Seiko 3879-543
• Seiko 6291-624
• Seiko 4446-375
• Seiko 4513-148
• Seiko 0712-693
• Seiko 5642-297
• Seiko 7136-517
• Seiko 5615-902
• Seiko 4551-285