Omega 561

Update

Basic Information

NameOmega 561
ManufacturerOmega
Launch Year1958
Caliber FamilyDescription
automatic:
550: 17 jewels
551: 24 jewels, chronometer
552: 24 jewels
560: 17 jewels, date
561: 24 jewels, date, chronometer
562: 24 jewels, date
563: 17 jewels, quickset date
564: 24 jewels, quickset date, chronometer
565: 24 jewels, quickset date
750: 17 jewels, day, quickset date
751: 24 jewels, day, quickset date, chronometer
752: 24 jewels, day, quickset date

manual wind:
600: Reed's regulator
601: excenter regulator
602: excenter regulator, chronometer
610: Reed's regulator, date
611: excenter regulator, date
613: excenter regulator, quickset date

Related calibers
Omega 550, Omega 551, Omega 552, Omega 560, Omega 561, Omega 562, Omega 563, Omega 564, Omega 565, Omega 600, Omega 601, Omega 602, Omega 610, Omega 611, Omega 613, Omega 750, Omega 751, Omega 752
Is COSC certifiedYes

Technical Details

Lignes Dimensions12.59 ‴
Dimensions28.4 mm
Height5 mm
Further MeasuresMounting Diameter (Dm): 27.9mm
Stem height (T): 2.15mm
Mounting Height (F): 1.75mm
Power Reserve50 hours
Frequency19,800 vph
Jewels24
Lift Angle49 degrees

Complications and Specifications

ShapeRound
Complications
  • Sweep Second
  • Date
Shock ProtectionIncabloc
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeAutomatic
Rotor TypeCentral Rotor
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeAutomatic (Rotor-Driven)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.50 x 0.80 x 0.18mm
Hand Count3
Country Of ManufactureSwitzerland
NotesRemarks: 1958-1967
1958-1969, 5800000 (550...565)
chronometer
Other data: balance staff: U2769 stem: W2790 balance staff ronda: 4944 (12,25) stem ronda: 1361 (12,25)
Signature1961: 17218284, Omega Watch Co Swiss, Adjusted 5 Positions and Temperature, 24 Jewels; Incabloc
Import Codes

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:33:40 PM