Seiko Cal. 6278 - 668

The 6278-668 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-63e3db8ddb4d]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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