Seiko Cal. 4448 - 318

The Seiko 4448-318 represents an important milestone in Seiko's 1989 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-7763dd23ae33]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1989

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