Seiko Cal. 6636 - 364

The 6636-364 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-0d45ce93b7a6]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1993

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