Seiko Cal. 4542 - 120

The Seiko 4542-120 represents an important milestone in Seiko's 1978 lineup. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-6896be7e2572]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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