Seiko Cal. 4448 - 612

The Seiko 4448-612 represents an important milestone in Seiko's 1973 lineup. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-845b759227e4]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1973

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