[Price change made on February 3, 2025]
The design of the "Chronograph Challenge Timer," which debuted in 1973 as Citizen's first full-fledged chronograph watch, has been revived. The push button located at the 12 o'clock position of the case resembles a horn, earning it the nickname "Horn Chrono." The case size is 38.0mm, providing a comfortable fit on the wrist.
[Material]
ST.STEEL
・Accuracy: ±20 seconds/month
・Battery life: 2 years
・Function: Chronograph function (1/1 second, 12-hour counter)
・Water resistance: 5 ATM water resistance
・Glass: Spherical Crystal Glass
・Additional features: Luminous (hands + indices)
・Case/Band: Stainless Steel
*This product adopts a "free type adjuster" that allows customers to adjust the band length themselves. You can adjust it by freely moving the position of the fastener (adjuster).
*The BOX, accessories, etc. may change in specifications, color, shape, etc. without prior notice.
The design of the "Chronograph Challenge Timer," which debuted in 1973 as Citizen's first full-fledged chronograph watch, has been revived. The push button located at the 12 o'clock position of the case resembles a horn, earning it the nickname "Horn Chrono." The case size is 38.0mm, providing a comfortable fit on the wrist.
[Material]
ST.STEEL
・Accuracy: ±20 seconds/month
・Battery life: 2 years
・Function: Chronograph function (1/1 second, 12-hour counter)
・Water resistance: 5 ATM water resistance
・Glass: Spherical Crystal Glass
・Additional features: Luminous (hands + indices)
・Case/Band: Stainless Steel
*This product adopts a "free type adjuster" that allows customers to adjust the band length themselves. You can adjust it by freely moving the position of the fastener (adjuster).
*The BOX, accessories, etc. may change in specifications, color, shape, etc. without prior notice.
| color | black |
|---|---|
| size | FREE/FREE |
Note
・Depending on your monitor, the colors may appear different.
・Product information is translated using machine translation, which may result in unnatural expressions.






















































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