Seiko Cal. 6388 - 763

The 6388-763 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6388 caliber with 36j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-5f4b83a03388]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1988

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