EB 1454

Basic Information

NameEB 1454
ManufacturerEbauches Bettlach
Launch Year1950
Caliber FamilyDescription
without setting-lever spring:
1268: 10.5"
1400: 11.5"

with setting-lever spring:
1443: 10.5"
1454: 11.5"

Related calibers
EB 1268, EB 1400, EB 1443, EB 1454
Is COSC certifiedNo

Technical Details

Lignes Dimensions11.5 ‴
Dimensions26 mm
Height5 mm
Further MeasuresMounting Diameter (Dm): 25.6mm
Stem height (T): 1.8mm
Mounting Height (F): 0.75mm
Power Reserve37 hours
Frequency18,000 vph
Jewels15

Complications and Specifications

ShapeRound
Complications
  • Sweep Second
  • Chronograph Second
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 0.90 x 0.22mm
Hand Count3
Country Of ManufactureSwitzerland
NotesRemarks: pin-lever escapement
nearly perfect imitation of balance screws
ratchet on dial side, crown mechanism with rocker bar
Other data: balance staff: U1388 stem: W1152 mainspring / battery: Zf1469, 1.80 x 9.0 x 0.10 x 290mm balance staff ronda: 193 (10,5-11,5) stem ronda: 120 (11,5)
Signature1) ca. 1950: Swiss Made, 15 Jewels - EB 1268 (EB 1268, 10.5" ) 1) old data sheet (EB 1443, 10.5" )

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:31:50 PM
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