Seiko Cal. 4448 - 371

Seiko 4448-371

The 4448-371 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e593e3d8e404]

Also known as: Sportsmatic, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1972

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