Seiko Cal. 5647 - 763

The 5647-763 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-22f5f3bcba76]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1998

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