Sapphire AR Coating Side Lookup

Return ISO 14368-4, single-side, double-side, optical-effect, or damage-caution facts for sapphire watch-crystal AR coating.

Description

An anti-reflective coating reduces surface reflections from a watch crystal.

An anti-reflective coating reduces surface reflections from a watch crystal. Coating both surfaces and coating only one involve different exposed-surface tradeoffs.^[1]

Return ISO 14368-4, single-side, double-side, optical-effect, or damage-caution facts for sapphire watch-crystal AR coating.

When to use Sapphire AR Coating Side Lookup

Use this tool to return ISO 14368-4, single-side, double-side, optical-effect, or damage-caution facts for sapphire watch-crystal AR coating.

Choose a supported lookup focus or prepare the measured values, documented evidence and caller-selected limits requested. Use the exact field names and confirm their units or date format.

How to use Sapphire AR Coating Side Lookup and understand its results

Choose a supported lookup focus or prepare the measured values, documented evidence and caller-selected limits requested. Use the exact field names and confirm their units or date format.
Enter coatingFocus using the field table and calculation rules, then run the tool.
Read coatingFocus, keyDate, verifiedStatement. The explanation below defines the units, signs, ordering and any flags or placeholder values.
If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.

Input field	Meaning	Value type; see rules below	Requirement
coatingFocus	Sapphire AR coating focus	string; one of "standard", "singleSide", "doubleSide", "opticalEffect", "damageCaution"	Required

Select one supported focus from the input table and run the lookup. Match the exact case-sensitive enum value; no trimming, synonyms or free-text search is applied. Return the selected focus and its stored coating statement and standard/context label. keyDate, where present, can be a historical date, period or contextual label rather than a parseable date.

result=stored entry for exact selected focus

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output field	Meaning	Value type
coatingFocus	Sapphire AR coating focus	string
keyDate	Standard or design context	string
verifiedStatement	Verified sapphire AR statement	string

json

{
  "input": {
    "coatingFocus": "standard"
  },
  "output": {
    "coatingFocus": "standard",
    "keyDate": "ISO 14368-4:2020",
    "verifiedStatement": "ISO 14368-4 defines terms, test methods, and evaluation for anti-reflective treatments on sapphire watch-glasses, with mineral watch-glasses as a reference."
  }
}

Limitations and assumptions

No coating, reflectance, durability or ISO test is measured. Optical performance and damage depend on the product; stored standard references do not establish compliance. This is a fixed local table; it does not fetch sources or update statements at runtime.

Numeric inputs must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Extremely large text inputs are rejected. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Watch Crystal Material Comparison Lookup: Compare acrylic, mineral, and sapphire crystal properties and retrieve the gradual material-transition history without inventing a brand-specific cutoff. For a complementary task, use Zirconia Ceramic Case Property Lookup: Return a technical zirconia hardness, density, toughness, watch-use, or impact-design fact without translating scratch hardness into unbreakability.

References

Sapphire AR Coating Side Lookup — tool.io

Similar or alternative tools

Watch Crystal Material Comparison Lookup
Compare acrylic, mineral, and sapphire crystal properties and retrieve the gradual material-transition history without inventing a brand-specific cutoff.
Zirconia Ceramic Case Property Lookup
Return a technical zirconia hardness, density, toughness, watch-use, or impact-design fact without translating scratch hardness into unbreakability.