Seiko Cal. 4427 - 363

This Hand-Winding model from 1984 features a 36mm Gold-Plated case. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-c12ad876333a]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1984

Related Models

• Seiko 6332-444
• Seiko 7068-433
• Seiko 0795-489
• Seiko 4461-900
• Seiko 5245-921
• Seiko 3864-115
• Seiko 6692-227
• Seiko 4418-974
• Seiko 6674-680
• Seiko 7047-273
• Seiko 5622-471
• Seiko 0722-753