Thai Watch Market
Glossary
Horology glossary — every term that matters for resale value
Glossary
Bezel — Types, Materials, Resale Impact
A bezel is the metal or ceramic ring around the watch face — rotating or fixed — used for diving time (Submariner), dual timezone (Pepsi/Batman GMT), or tachymeter (Daytona). A chi
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Box / Box Set — Components and Resale Impact
A box set includes outer box (carrier), inner box (presentation), polishing cloth, anchor tag, swing tag, and booklet. It moves price by ±4–8% on Rolex Sport Steel. Empty boxes res
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Caliber — Mechanical Watch Movement
Caliber is the mechanical movement — mainspring, gear train, escapement, balance wheel. Each caliber has a specific reference number (Rolex 3235 in Submariner, 4130 in Daytona, Pat
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Complications — Beyond Time-Telling
Complications are additional functions beyond time-telling — chronograph (stopwatch), GMT (two timezones), perpetual calendar, moon phase, minute repeater, tourbillon. Watches with
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Crown — Function and Resale Impact
The crown is the knob on the side of a watch used for winding, time-setting, and date adjustment. Rolex uses three systems: standard screw-down, Twinlock (2 gaskets) for older Subm
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Dial — Watch Face Anatomy and Resale Impact
A dial is the visible face of a watch displaying hour markers and indications. It carries more resale weight than any other surface — original (unrefinished, unswapped) Rolex/Patek
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Double-signed Dial — Patek Tiffany and Rolex Co-Branding
A double-signed dial carries two logos — the manufacturer (Patek, Rolex) and the retailer (Tiffany & Co, Asprey, Linz). It commands 50–200% premium because of rarity and provenance
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Full Set / Half Set / Watch Only — Completeness Tiers
Full Set, Half Set, and Watch Only are three completeness tiers for luxury watches. Full Set includes box + papers + factory accessories; Half Set has box or papers but not both; W
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Glidelock — Rolex Bracelet Adjustment System
Glidelock is the Rolex bracelet adjustment system on sport watches (Submariner, GMT-Master II, Sea-Dweller) allowing 2mm tool-free incremental fit. Introduced in 2010, current 5-st
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GMT vs World Timer — Two-Timezone vs 24-Timezone
GMT shows two timezones via an extra 24-hour hand (Rolex GMT-Master II THB 720,000–820,000). World Timer shows 24 timezones simultaneously via a 24-city disk (Patek 5230 THB 1.8M–2
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NOS (New Old Stock) — Unworn Vintage Watches
NOS (New Old Stock) is a vintage watch produced years ago but never worn — with protective stickers, anchor tag, and original accessories still intact. Collectors pay 30–100% premi
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Perpetual Calendar — The Grail Complication
Perpetual Calendar is a complication that automatically shows correct dates including leap years — no manual adjustment until 2100 (Gregorian rule exception). Patek 5320G trades at
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Polishing — Why It Destroys Watch Value
Polishing is removing scratches via abrasive compound and buffing — reducing case thickness 0.03–0.08mm per cycle. Three or more polishes drop modern Rolex resale 10–15% and vintag
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Reference Number — Model Identification
Reference number is the model identifier defined by the brand — encoding size, material, dial colour, bezel. Rolex 126610LN = Submariner 41mm steel black bezel; 126610LV = green; P
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Refinished Dial — A Resale-Killing Red Flag
A refinished dial is one that has been resurfaced (repainted) or replaced after service. It's a major resale red flag — discounting vintage Rolex by 15–35% because collectors requi
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Serial Number — Year, Authenticity, Verification
A serial number is the unique identifier engraved on each watch. Rolex pre-2010 used sequential numbers at 6 o'clock between lugs; post-2010 switched to random alphanumeric at the
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Service Papers — Service Confirmation Documentation
Service papers are the document an Authorised Service Centre issues after servicing a watch, listing work performed, parts replaced, timegrapher readings, and date. They lift resal
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Timegrapher — Caliber Accuracy Measurement Tool
Timegrapher is an electronic instrument that measures caliber accuracy from escapement sound, reporting three values: rate (sec/day ±), amplitude (degrees), beat error (ms). Profes
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Transitional Reference — Hybrid-Era Vintage Collector Picks
Transitional reference is a model Rolex or Patek produced during a generation transition — carrying features from both old and new lines. Niche collectors pay premium for Rolex Sub
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Warranty Card / Guarantee Card — What It Affects
A warranty card is the official document issued by an Authorised Dealer listing serial number, reference, sale date, and dealer stamp. Rolex 2020+ uses Code 50 digital cards verifi
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