Seiko Cal. 4413 - 933

The 4413-933 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-a7d0eaa4b936]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1989

Related Models

• Seiko 5232-944
• Seiko 3818-143
• Seiko 4598-653
• Seiko 7028-543
• Seiko 7160-306
• Seiko 7193-159
• Seiko 6694-893
• Seiko 6361-314
• Seiko 4596-329
• Seiko 7031-399
• Seiko 6266-910
• Seiko 6298-463