Seiko Cal. 4442 - 644

Seiko 4442-644

The 4442-644 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-39e51c2e41d6]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
41mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1994

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seikata-wm-39e51c2e41d6