Seiko Cal. 6624 - 656

Released in 1975, the Cal. 6624 with design code 656 was part of Seiko's domestic market collection. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-91ab8ad71d29]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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