Seiko Cal. 4544 - 142

The Seiko 4544-142 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-55f2dda4c21f]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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