CaliberDB

ETA 2451

Mechanical Self-winding (rotor)
No photos yet

Notes

early fixed, later mobile stud carrier (cf. ETA 2452) during manufacturing periode modifications of base plate and rotor (cf. photos and ETA 2452) base calibre for the Tudor 2483 differences not known between 2451, 2459, 2461, 2465

Dimensions

Width25.6 lignes (57.75 mm)
Height5.3 mm
Stem height1.4 mm
Hands (H × M × S)1.5 × 0.9 × 0.21 mm

Technical data

Beat rate18,000 vph (2.5 Hz)
Lift angle52 °
Power reserve42 h
Jewels—
Shock protection—
Mobile stud carrierNo

Complications

Self windingRotor
Date No
Day No
HackingNo
ChronographNo

Mainspring

GR codeGR3271-X
Height1.3 mm
Thickness0.11 mm
Length360 mm
Barrel diameter10.5 mm