Seiko Cal. 4542 - 745

The Seiko 4542-745 represents an important milestone in Seiko's 1983 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-c1e4b66a879d]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1983

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