Seiko Cal. 6366 - 857

The 6366-857 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-5ce08ae7a2a1]

Also known as: Helmet, Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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