Oris 677

Basic Information

NameOris 677
ManufacturerOris
Launch Year1965
Caliber FamilyDescription
671, 681: sub second
672 : sweep second
677 : sub second, date

Related calibers
Oris 671, Oris 672, Oris 677, Oris 681
Is COSC certifiedNo

Technical Details

Lignes Dimensions8.75 ‴
Dimensions19.9 mm
Height(not set)
Further MeasuresMounting Diameter (Dm): 19.45mm
Power Reserve41 hours
Frequency18,000 vph
Jewels15
Lift Angle46 degrees

Complications and Specifications

ShapeRound
Complications
  • Sub Second
  • Date
Shock ProtectionKIF
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeManual
Escapement TypePin Lever
Control TypeBalance Wheel
Winding TypeStem Winding (Crown)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.30 x 0.80mm
Hand Count3
Country Of ManufactureSwitzerland
NotesRemarks: pin-lever escapement
ratchet on dial side, crown mechanism with rocker bar
later under same designation Valjoux 7750 without day
Other data: balance staff: U3401 stem: W1194 balance staff ronda: 5246 (8,75) Other data: balance staff ronda: 5246 (8,75) Mainspring: 1.700 x 8.000 x 0.080 x 300.000 mm
Ranfft mentioned about this caliber: There are variants with this quantity of jewels 7, 15
Signatureca. 1965: Oris Watch Co, Swiss, 672 Kif, 7 Jewels; Kif-Protechoc (Oris 672, sweep second)
Import Codes

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:33:42 PM
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