Rolex
Sea-Dweller Steel Black
16660 Comex Matte
Score 41
Liquidity /100
RSI 52
Avg vol 39/day
2026 - In Production
Specifications
Brand
Rolex
Model
Sea-Dweller Steel Black
Reference Number
16660 Comex Matte
Case diameter
40mm
Case material
Stainless steel (Oystersteel)
Dial colour
Black
Bezel material
Aluminum insert, unidirectional rotatable
Bezel colour
Black
Crystal
Sapphire
Water resistance
1220m
Movement type
Automatic
Caliber
3035
Bracelet / strap
Oyster bracelet, steel
Complications
Date
Year launched
1978
Priced every 24h · comps too thin for candles
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DialTrends Investment Score
41
Sell
0-100 composite
- Momentum (1Y): +0.3%
- Liquidity score: /100
- Scarcity score: /100
- Volatility (30d ann.): 16.2%
- RSI (14): 52
Market Metrics
- Retail price
- Discontinued
- Premium over retail
- -
- 30d change
- +0.3%
- Avg daily volume (30d)
- 39 sales
- Fair value (model)
- $19,962
Price Across Marketplaces
refreshed daily| Marketplace | Price | Listings | vs. avg |
|---|---|---|---|
| Chrono24 | $19,940 | 12 | -0.4% |
| eBay (sold)Best deal | $19,458 | 33 | -2.8% |
| WatchBox | $20,223 | 15 | +1.0% |
| Bob's Watches | $20,377 | 24 | +1.8% |
| Collector Square | $20,095 | 35 | +0.4% |
Market average
$20,019
Fair value
$19,962
Lowest listing
$19,458
Highest listing
$20,377
Arbitrage Scanner
Cross-marketplace spread is 4.7% ($919 gap). Buying at eBay (sold) ($19,458) and selling at market average implies a gross margin of $561 before fees.
About this reference
Sea-Dweller Steel Black Dial 40mm
Price Alerts
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