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Old world inspiration meets new world technology in this retrograde perpetual calendar with alarm unlike any other. Embellished with a 36-diamond bezel, this stainless steel gold-tone watch features dual time, month-day-date, 12/24 hour time, non-reflective crystal, 39mm screw-back case, 100M WR and foldover clasp with hidden double push button.

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Similar styles



Stainless Steel, Bracelet, Fold Over Clasp with Hidden Double Push Button


Black, Luminous Hands

Case Size (mm)


Case Material

Gold-Tone, Stainless Steel, Diamond Bezel


WR100/10Bar/333ft [Swimming, Showering & Snorkeling]


Anti-Reflective Mineral Crystal


E870, Retrograde Perpetual Calendar, Dual Time (Second Time Zone), 12/24 Hour Time, Alarm
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Corso is rated 5.0 out of 5 by 6.
Rated 5 out of 5 by from Phenomenal watch to add to any collection This was my first Citizen watch, and I love it. I purchased the watch primarily for aesthetic reasons and have gradually become more appreciative of its many features.
Date published: 2017-02-13
Rated 5 out of 5 by from Great with suits Looks great when you wear with men's suits, specially a black suit.
Date published: 2017-02-01
Rated 5 out of 5 by from TimeLess I purchased this Corso in Aug 2017. No matter where I go people I get asked about it. I shouldn’t wear it every day but I do. I have a friend who has a Rolex who will be purchasing one soon.
Date published: 2018-02-13
Rated 5 out of 5 by from Great watch I love this watch, its really perfect for me. I would definitely buy another watch from you guys.
Date published: 2017-02-04
Rated 5 out of 5 by from A GREAT WATCH When I first saw this watch, I knew it was for me. I love the style and all function it has.
Date published: 2018-01-16
Rated 5 out of 5 by from Love this watch I bought this watch a few years ago. I love the functions and look.
Date published: 2017-10-24
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