Seiko Cal. 6178 - 788

Released in 1973, the Cal. 6178 with design code 788 was part of Seiko's domestic market collection. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-ee1da51b477f]

Also known as: Navigator, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1973

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