Seiko Cal. 6393 - 163

The 6393-163 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-a5183f5f2e3f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1971

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