El Primero

GPTKB entity

Statements (46)
Predicate Object
gptkbp:instanceOf mechanical watch movement
gptkbp:balanceWheelMaterial gptkb:Glucydur
gptkbp:caliberVariants 400
410
405
3600
4021
3019 PHC
gptkbp:chronographComplication integrated
horizontal clutch
column wheel
gptkbp:countryOfOrigin gptkb:Switzerland
gptkbp:diameter 30 mm
gptkbp:escapement Swiss lever
gptkbp:features automatic winding
column wheel chronograph
date function
gptkbp:frequency 36,000 vibrations per hour
https://www.w3.org/2000/01/rdf-schema#label El Primero
gptkbp:introduced 1969
gptkbp:jewels 31
gptkbp:manufacturer gptkb:Zenith
gptkbp:notableFor high beat rate for improved accuracy
iconic status in watchmaking history
one of the first automatic chronograph movements
still in production since 1969
used as a base for many complications
used in Rolex Daytona from 1988 to 2000
first high-frequency automatic chronograph movement
gptkbp:oscillatingWeightMaterial tungsten
gptkbp:powerReserve 50 hours
gptkbp:thickness 6.5 mm
gptkbp:usedBy gptkb:Daniel_Roth
gptkb:Rolex
gptkb:Ebel
gptkb:Hublot
gptkb:Movado
gptkb:Panerai
gptkb:TAG_Heuer
gptkb:Bvlgari
gptkbp:usedIn Rolex Daytona (16520, 16523, 16528)
TAG Heuer watches
Zenith Chronomaster
gptkbp:winding bidirectional
gptkbp:bfsParent gptkb:Zenith_watches
gptkbp:bfsLayer 8