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Cartier 90
Quartz · 8.75‴ · Switzerland · 1990
Timegrapher
Beat rate
32,768bph
Frequency
4.55Hz
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Movement
| Movement type |
Quartz
Battery-powered movements regulated by a quartz crystal oscillating at 32,768 Hz via the piezoelectric effect. The signal is divided down to drive a stepper motor or digital display with remarkable accuracy. Debuting with the Seiko Astron in 1969, quartz reshaped the industry through precision, affordability, and minimal maintenance.
|
|---|---|
| Setting type |
Stem Set (Crown Pull)
The dominant modern system: pulling the crown out to a setting position engages the hand-setting mechanism. Introduced in the late 19th century and refined into multi-position crowns (date, time, GMT). Used in virtually all modern wristwatches and most 20th-century pocket watches.
|
| Control type |
Quartz
Debuting with the Seiko Astron in 1969, quartz movements apply voltage to a crystal that oscillates at 32,768 Hz via the piezoelectric effect. Divided down to one pulse per second, it delivers remarkable accuracy at low cost, sparking the quartz revolution that reshaped the industry.
|
Specifications
| Lignes | 8.75‴ |
|---|---|
| Shape |
Round
It is the most common form that we can find.
|
| Hand count | 3 |
| Further measures | Nominal Diameter (Dn): 19.74mm |
Origin & References
| Manufacturer | Cartier |
|---|---|
| Country | Switzerland |
| Launch year | 1990 |
| COSC certified | No |
| Signature | ca. 1990: Cartier Swiss, 7 Jewels |
Notes
Other data: mainspring / battery:
315
Compatible Parts
7 other catalog sources can supply compatible parts for this caliber.
2 compatible parts catalogued · find a donor to harvest a scarce part.
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