Seiko Cal. 6623 - 748

The 6623-748 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-a8f1ca400217]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1978

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