Seiko Cal. 4448 - 580

The 4448-580 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-3ee16bc7a2aa]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1982

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