Seiko Cal. 5242 - 378

This Solar model from 1970 features a 42mm PVD Black case. With its 19mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-07b31a9f4882]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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