Omega 28SC

Basic Information

NameOmega 28SC
ManufacturerOmega
Launch Year1944
Caliber FamilyDescription
sub second:
360 (Omega 28 until 1949): no Incabloc
361: Incabloc, antimagnetic

sweep second:
370 (Omega 28SC until 1949): no Incabloc
371: Incabloc, antimagnetic
372: Incabloc, antimagnetic, hack feature, fine regulator

Related calibers
Omega 28, Omega 28SC, Omega 360, Omega 361, Omega 370, Omega 371, Omega 372
Is in house developmentNo
Is COSC certifiedNo

Technical Details

Dimensions(not set)
Height4.3 mm
Further MeasuresMounting Diameter (Dm): 28.0mm
Power Reserve(not set)
Frequency18,000 vph
Jewels17

Complications and Specifications

ShapeRound
Complications
  • Sweep Second
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeManual
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeStem Winding (Crown)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.50 x 0.80mm
Hand Count3
Country Of ManufactureSwitzerland
NotesRemarks: 1944-1949
bimetallic screw balance
Other data: balance staff: U1758 stem: W2906 mainspring / battery: 1.30 x 10.5 x 0.115mm balance staff ronda: 1879 (13) stem ronda: 373 (10,5)
Signature1944: 9965072, Omega Swiss, 17 Jewels
Import Codes

Metadata

Created AtSep 15, 2023
Updated AtJun 21, 2024, 2:53:37 AM
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