The seemingly innocuous alphanumeric code "Rolex B25-295-C12-C1" represents a crucial component in the intricate world of Rolex watch repair and maintenance: a sapphire crystal. This article delves deep into the meaning of this specific code, explores the nuances of Rolex crystal identification, and addresses common questions surrounding the B25-295-C12-C1 crystal, specifically focusing on the gasket size and its implications for proper watch functionality and water resistance.
295C Crystal Question: Understanding the Nomenclature
The code itself is a layered system providing vital information about the crystal's characteristics. Let's break it down:
* B25: This prefix likely denotes a specific Rolex model family or a range of compatible watch cases. While not publicly released information by Rolex, this prefix is crucial for identifying the correct crystal for a particular watch. Without knowing the exact watch model, it's impossible to definitively state the specific models compatible with the B25 designation. Independent watchmakers and parts suppliers often maintain internal databases correlating these codes to specific Rolex references.
* 295: This number represents the crystal's basic dimensions and shape. It acts as a general identifier, distinguishing it from other crystal types within the Rolex system. The "295" designation likely refers to a specific diameter, curvature, and overall profile designed for a particular set of Rolex watch cases. Slight variations within this number might exist to accommodate minor differences between models.
* C12: This section of the code likely indicates further specifications regarding the crystal's construction. It might refer to the crystal's thickness, the type of anti-reflective coating applied (if any), or other subtle variations in manufacturing. Detailed information on this specific code is scarce and often guarded by Rolex and its authorized service centers. Independent research and cross-referencing with part catalogs is necessary for a comprehensive understanding.
* C1: This is arguably the most crucial part of the code in terms of practical application. It refers to the gasket size required for proper sealing of the crystal to the watch case. As stated, C1 denotes a 2.3mm gasket, while C2 indicates a 2.5mm gasket. This seemingly small difference is critical for maintaining the watch's water resistance. Using the incorrect gasket size can compromise the seal, leading to water ingress and potential damage to the watch movement.
Rolex Sapphire Glass Watch Crystal B25-295-C12-C1: Material and Properties
The crystal itself is specified as sapphire. Sapphire crystals are renowned for their exceptional hardness and scratch resistance, making them ideal for protecting the delicate watch dial and movement from damage. Their optical clarity is also superior to many other crystal materials, ensuring optimal readability of the watch face. The use of sapphire in Rolex watches is a key indicator of their commitment to quality and durability.
The B25-295-C12-C1 crystal likely incorporates several advanced features beyond its basic material properties. These could include:
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