Watch model

Sinn 857 UTC TESTAF

Sinngrain: referenceref. 857.040

no sourced photograph

No round has proven an image for this record. An image is written only where the brand’s own page ties the picture to the reference — by its structured data, or by the reference appearing literally in the asset URL. Position in a gallery is not proof, so where nothing proved the pairing nothing was stored.

See Sinn 857 UTC TESTAF on Sinn’s own page ↗

Movement

ETA 2893-2

Grade not disclosed by the source; the edge points at the grade-unknown execution.

Attributes

Catalogue presence: brand_filed_past
Published watch technology: ar_dehumidifying
Published watch technology: captive_bezel
Published watch technology: low_pressure_resistant
Published watch technology: tegiment
Published watch technology: temperature_resistance
Published watch technology: testaf_certified
Published watch technology: anti_magnetic_din_8309

Sources

1
sinn.de
https://www.sinn.de/en/watches/archive/857-utc-testaf.html
manufacturertier 1retrieved 2026-08-298 facts on this page
2
Internet Archive
https://web.archive.org/web/20231202130241id_/https://www.sinn.de/en/Modell/857_UTC_TESTAF.htm
archivetier 2retrieved 2023-12-027 facts on this page