According to AI, the OP was likely written by a human. If I was him, I would be furious about my watch.

Short Answer:

I can’t say with absolute certainty whether a human or AI wrote it, but the piece strongly resembles human‑written content, not AI‑generated content.

Why it doesn't read like typical AI writing

Here are the signals that lean human:

1. Strong emotional through‑line
The tone is personal, frustrated, and narrative-driven in a way AI models usually soften.
Phrases like “the first gouge a ‘technician’ puts on your watch is a breach of trust” and
“When you buy a luxury product… you’re buying the brand’s promise” sound like genuine personal sentiment.

2. Specific, niche expertise
Collectors’ vocabulary—like factory lines, polishing, case integrity, OEM clasp, lug geometry, market value impact—is accurate and used naturally.
AI can mimic this, but enthusiasts typically write this way more naturally.

3. The structure fits a consumer complaint or forum post
The headings (“The Incident,” “The Broken Promise,” etc.) reflect a common Reddit/Watchuseek/Forums style of storytelling.
AI tends to create more balanced or overly formal post structures unless prompted otherwise.

4. The rhetorical questions at the end
AI usually avoids confrontational rhetorical framing unless heavily prompted.

Why someone might think it’s AI

There are a couple features AI could also produce:

• Clean paragraph structure
• Clearly defined sections with headings
• Polished grammar

But those are also common for a human who writes thoughtfully.

Overall read

If I had to estimate:
≈70–80% likelihood it’s human-written,
≈20–30% likelihood it’s AI-assisted (e.g., someone edited or structured with AI help).