The Rolex Oyster Perpetual Explorer, a watch synonymous with adventure and enduring style, has seen significant internal evolution over the years. Two movements, in particular, stand out in the Explorer's history: the Caliber 3130 and its successor, the Caliber 3132. While seemingly minor differences separate them, these variations reflect Rolex's relentless pursuit of precision, reliability, and enhanced shock resistance. This article will delve into a detailed comparison of the Rolex 3132 and 3130 movements, exploring their key features, performance characteristics, and market value. We will also address the reader’s specific requests regarding pricing, availability, and technical specifications.
Rolex Caliber 3130: A Legacy of Reliability
The Caliber 3130, a self-winding mechanical movement, served as the heart of the Explorer I for many years, establishing a reputation for robustness and accuracy. Its architecture is based on the tried and tested design principles that have defined Rolex's horological excellence. While not boasting the latest technological advancements found in later models, the 3130 represents a significant milestone in Rolex's history. Its performance characteristics are noteworthy, offering excellent timekeeping within the tolerances expected of a high-end mechanical watch. The movement features a Parachrom hairspring, a key component responsible for regulating the watch's timekeeping. This hairspring, made from a paramagnetic alloy, is resistant to magnetic fields and offers superior stability compared to traditional hairsprings. However, one key difference from the 3132 lies in its shock absorption system. The 3130 utilizes Kif Parechoc shock absorbers, a proven technology but one that has since been superseded by Rolex's own innovation.
Rolex Caliber 3132: Enhanced Shock Resistance and Precision
The Caliber 3132 represents a significant upgrade over the 3130, primarily in its shock protection system. Rolex replaced the Kif Parechoc system with its proprietary Paraflex shock absorbers. This in-house system is designed to offer significantly improved protection against impacts and jolts, a critical feature for a watch intended for adventurous pursuits. The Paraflex system is more effective at absorbing shocks, reducing the risk of damage to the delicate balance wheel and hairspring. The enhanced shock resistance translates to increased reliability and longevity, making the 3132 a more robust movement overall. Beyond the Paraflex system, the 3132 largely maintains the same architecture and precision as its predecessor, continuing the legacy of accuracy and dependability. The inclusion of the Parachrom hairspring remains a key feature, ensuring consistent timekeeping performance.
Rolex 3132 Movement Chart:
Creating a comprehensive chart requires access to Rolex's internal specifications, which are not publicly available in detailed form. However, we can summarize the key differences between the 3130 and 3132 as follows:
| Feature | Rolex Caliber 3130 | Rolex Caliber 3132 |
|-----------------|-----------------------|-----------------------|
| Shock Absorption | Kif Parechoc | Rolex Paraflex |
| Hairspring | Parachrom | Parachrom |
| Jewels | 31 | 31 |
| Power Reserve | Approximately 42 hours | Approximately 48 hours |
| Frequency | 28,800 bph | 28,800 bph |
| Finishing | High-quality Rolex finish | High-quality Rolex finish |
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