Seiko Cal. 4440 - 413

Seiko 4440-413

The 4440-413 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-0704b1a19590]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1998

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seikata-wm-0704b1a19590