Seiko Cal. 6178 - 816

Released in 1975, the Cal. 6178 with design code 816 was part of Seiko's domestic market collection. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-befafcb18dd8]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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