Seiko Cal. 0742 - 774

This Spring Drive model from 1972 features a 39mm PVD Black case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-29e6648aa48c]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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