Seiko Cal. 4448 - 444

The 4448-444 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-0c0e205cb1a5]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1999

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