Seiko Cal. 4448 - 757

Seiko 4448-757

The 4448-757 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-115cc8c17282]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
36mm
Case Thickness
15.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Burgundy
Jewels
29j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1979

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seikata-wm-115cc8c17282