Seiko Cal. 0777 - 739

This Spring Drive model from 1972 features a 37mm PVD Black case. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-e540cbf54553]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1972

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