Seiko Cal. 6652 - 523

Released in 1968, the Cal. 6652 with design code 523 was part of Seiko's domestic market collection. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-d9fe362ec4cf]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1968

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