What a Seamaster 300M 210.30 Clears for in Bangkok — June 2026
The 210.30 launched in 2018, replacing the twelve-year-old 212.30. Major changes: caliber 8800 (Master Chronometer in-house) replacing caliber 2500, ceramic bezel and dial, and a conical helium escape valve that operates while diving without needing to be unscrewed.
Thai Watch Market drawn from our work in Bangkok's pre-owned market Jan–May 2026 — Seamaster is the second-highest-turnover Omega in Thailand after Speedmaster:
- Low ฿145,000 — 2018–2020 black wave, worn
- Median ฿162,000 — Full-set 2022–2023 blue wave with TH warranty
- High ฿185,000 — NOS 2024 blue wave with stickers
Wave Dial — Seamaster Signature
The 210.30 uses laser-ablated waves on the ceramic dial — depth pattern, not printed.
Khun Ton's checkpoints:
- Wave depth — pattern must be consistent depth across the dial; fakes show printed blue wash
- Ceramic dial finish — proprietary matte finish on ceramic, not enamel
- Hour markers — white gold applique with hand polish
- Date window position — 6 o'clock (not 3 o'clock as on older references); some fakes still use the older position
Colour Variants in Thailand
| Reference | Colour | Median Bangkok 2026 |
|---|---|---|
| 210.30.42.20.03.001 | Blue + steel | ฿162,000 |
| 210.30.42.20.01.001 | Black + steel | ฿155,000 |
| 210.30.42.20.06.001 | Grey + steel | ฿158,000 |
| 210.32.42.20.04.001 | Green + steel | ฿172,000 |
| 210.30.42.20.10.001 | "No Time To Die" Titanium | ฿245,000 |
The "No Time To Die" limited edition carries a premium driven by constrained supply and James Bond film association.
Seamaster 300M vs Rolex Submariner
| Feature | Seamaster 300M 210.30 | Submariner 126610LN |
|---|---|---|
| Size | 42mm | 41mm |
| Water resistance | 300m | 300m |
| HEV | Operates while diving | None |
| Caliber | 8800 (Master Chronometer) | 3235 (Superlative) |
| MSRP 2026 | ฿185,000 | ฿402,000 |
| Used median | ฿162,000 | ฿420,000 |
| Premium over MSRP | -12% | +4% |
Seamaster trades below MSRP in Thai pre-owned — the inverse of Submariner. The reason is supply: Omega doesn't carry Rolex-style supply constraints.
What Bangkok Dealers Pay
| Scenario | Seller payout (blue 2023 full set) |
|---|---|
| Full-set, TH warranty | ฿138,000–฿148,000 |
| Full-set, overseas warranty | ฿128,000–฿138,000 |
| No box, papers | ฿118,000–฿128,000 |
| Loose | ฿105,000–฿115,000 |
Dealers pay 78–82% — lower than Speedmaster because supply is higher and dealer competition tighter.
Price Movement 2022–2026
- June 2022 — ฿182,000
- December 2023 — ฿172,000
- December 2024 — ฿165,000
- June 2025 — ฿164,000
- June 2026 — ฿162,000
Down only 11% from 2022 peak — more stable than Rolex sport models.
Get a LINE quote for your Seamaster →
Data sources:
- Thai Watch Market database Jan–May 2026, from our work in Bangkok's pre-owned market- WatchCharts Seamaster 210.30
- Omega Thailand documentation 2026