Watch-Agent Horology Database

13 watches · 18 movements · built 2026-10-15 14:27 UTC · download SQLite · query with SQL (Datasette Lite) · source

Watches

BrandFamilyModelReference(s)MovementYearsTests
OmegaConstellationGlobemaster Co-Axial Master Chronometer
The first timepiece certified as a METAS Master Chronometer.
—Omega 8900—METAS (Master Chronometer), +0/+5 s/d, 15,000 G
OmegaConstellationPie Pan
Iconic vintage Constellation "Pie Pan" powered by the 500-series full-rotor automatic movement.
—Omega 561——
OmegaSeamasterAqua Terra 150M
Seamaster Aqua Terra fitted with Omega's in-house caliber 8500.
—Omega 85002007–present—
OmegaSeamasterAutomatic Bumper
Vintage mid-century Seamaster utilizing a bumper/hammer automatic winding caliber.
—Omega 354——
OmegaSeamasterDiver 300M Co-Axial
Early 2000s Seamaster Diver 300M equipped with the first-generation Co-Axial caliber 2500.
—Omega 2500——
OmegaSeamasterSeamaster Automatic (calibre 1120)
Seamaster serviced by The Watch Guy (watchguy.co.uk, "Service Omega Seamaster Calibre 1120"). Calibre 1120 is ETA 2892-2 based; this example has an antimagnetic dust cover over a decorated rotor. Service included a new mainspring; a winding fault was traced to the dust cover rubbing the rotor. Reference number and production years not stated in the source.
—Omega 1120——
OmegaSeamaster Professional 300MSeamaster 300M Chronometer (Peter Blake)
Features black wave dial, sword hands, and luminous triangle at 12 o'clock.
2254.50.00Omega 11201996–2008COSC (ISO 3159), -4/+6 s/d, 300 m, 60 G
OmegaSpeedmasterChronograph "Ed White"
Original Speedmaster chronograph featuring Caliber 321, associated with astronaut Ed White.
—Omega 321——
OmegaSpeedmasterDark Side of the Moon
Speedmaster Dark Side of the Moon powered by the in-house automatic chronograph Caliber 9300.
—Omega 9300——
OmegaSpeedmasterProfessional "Moonwatch"
The current generation of the Speedmaster Professional "Moonwatch".
—Omega 3861—METAS (Master Chronometer), +0/+5 s/d, 15,000 G
OmegaSpeedmasterProfessional "Moonwatch"
The iconic Omega Speedmaster Professional "Moonwatch" produced from 1968 until 2021.
—Omega 8611968–2021—
OmegaSpeedmasterReduced / Automatic
Speedmaster Automatic/Reduced powered by modified 7750-family calibers.
—Omega 1164——
SeikoProspex/JDM AlpinistAlpinist
Factory accuracy spec is -15 to +25 seconds per day, tested to 20 bar / 200m water resistance (ISO 22810) with an inner rotating compass bezel and 60 gauss magnetic resistance.
SARB017Seiko 6R152006–2018ISO 22810 (Standard Water Resistance)

Movements

MakerCaliberBaseWindingMechanismEscapement vphJewelsReserveHacking
ETA / Unitas6497-1
Classic 16.5-ligne hunter pocket watch ebauche featuring a robust three-tier architecture with traditional click spring, crown wheel, and ratchet wheel layout.
—ManualNone (Manual)Swiss Lever18,0001746 hNo
IWC8541
Albert Pellaton's heart-cam and dual-pulling ruby-roller rocker pawl winding architecture.
—AutomaticBidirectional (Pellaton Pawl)Swiss Lever19,8002544 hNo
Omega1120
Heavily refined derivative of the ETA 2892-A2 featuring a rhodium-plated finish, redesigned automatic bridge, and two additional jewels.
—AutomaticBidirectional (Reversing Wheels)Swiss Lever28,8002344 hNo
Omega1164
Highly modified automatic chronograph based on the robust ETA/Valjoux 7750 architecture.
ETA/Valjoux 7750 ebaucheAutomaticUnidirectional (Pawl/Click)Swiss Lever28,800———
Omega2500
Introduced in 1999, serving as the very first serially produced caliber to feature the friction-reducing Co-Axial escapement.
ETA 2892-A2 ebaucheAutomaticBidirectional (Reversing Wheels)Co-Axial25,200———
Omega321
Omega's most famous manual-winding chronograph movement, featuring a traditional column-wheel mechanism. Highly revered by collectors for its aesthetics, complex construction, and historical significance as the movement that went to the moon.
Lemania 2310 ebaucheManualNone (Manual)Swiss Lever18,000———
Omega354
Early 1940s and 50s automatic movement where a weighted hammer bounces back and forth between two bumper springs to wind the mainspring, rather than using a 360-degree spinning rotor.
—AutomaticBumper / HammerSwiss Lever19,800———
Omega3861
The modern evolution of the 1861, significantly upgraded with George Daniels’ Co-Axial escapement and METAS Master Chronometer certification, making it highly anti-magnetic.
Lemania 1873 architectureManualNone (Manual)Co-Axial21,600———
Omega561
Produced in the late 1950s and 60s, these are full-rotor automatics finished in copper tone, known for high accuracy and durability as part of the celebrated 500-series.
—AutomaticBidirectional (Reversing Wheels)Swiss Lever19,800———
Omega8500
Introduced in 2007, marking Omega's return to true in-house manufacturing. Built entirely around the Co-Axial escapement, featuring dual mainspring barrels and a silicon hairspring.
—AutomaticBidirectional (Reversing Wheels)Co-Axial25,200———
Omega861
Introduced in 1968 to replace the complex 321, switching from a column wheel to a cam-actuated chronograph mechanism to increase robustness and simplify production.
Lemania 1873 ebaucheManualNone (Manual)Swiss Lever21,600———
Omega8900
First movement to receive METAS Master Chronometer certification, passing rigorous precision and magnetic resistance tests; features a jumping hour hand.
—AutomaticBidirectional (Reversing Wheels)Co-Axial25,200———
Omega9300
Omega's entirely in-house automatic chronograph movement, featuring a column wheel, Co-Axial escapement, and a two-register dial layout.
—AutomaticBidirectional (Reversing Wheels)Co-Axial28,800———
Seiko4R36 (NH36)
Modernized Magic Lever automatic architecture adding manual crown winding and stop-seconds (hacking) to the classic 7S26 foundation.
—AutomaticBidirectional (Seiko Magic Lever)Swiss Lever21,6002441 hNo
Seiko6R15
in-house Seiko 6R15 automatic movement (derived from the 7S26 architecture with a Spron 510 mainspring)
—AutomaticBidirectional (Seiko Magic Lever)Swiss Lever21,6002350 hNo
Seiko7S26
Workhorse automatic caliber utilizing Seiko's 1959 V-shaped Magic Lever bidirectional pawl-winding system with minimal moving parts.
—AutomaticBidirectional (Seiko Magic Lever)Swiss Lever21,6002141 hNo
Tianjin Sea-GullST3600
21,600 vph architectural clone of the Unitas 6497 with three-tier bridge topology ideal for custom watch builds and servicing practice.
—ManualNone (Manual)Swiss Lever21,6001745 hNo
Valjoux72
Historic 13-ligne lateral-clutch, 9-pillar column-wheel chronograph movement used in vintage Rolex Daytona, Heuer Carrera, and Breitling Navitimer references.
—ManualNone (Manual)Swiss Lever18,0001746 hNo