Seiko Cal. 6378 - 827

The 6378-827 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-56329c2b0cff]

Also known as: Samurai, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1993

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