Exact reference

Sinn Pilot's Watch 857 S

857.021 Catalogue record; lifecycle unresolved

Dials exact-reference record

Case

Dimensions and fit

direct

Case lengthNot recorded

Case diameter43 mm

Case thickness12 mm

Lug-to-lugNot recorded

Lug width22 mm

Water resistance200 m

Dials exact-reference record supplies diameter 43 mm, thickness 12 mm, lug width 22 mm, and 200 m water resistance. No adjacent-reference dimension inference is used.

Case material: Stainless Steel

Open dimension source ↗

Movement

Calibre and mechanism

Automatic

CalibreSellita caliber SW300-1 a

Normalized calibreSELLITACALIBERSW3001A

GenerationSellita caliber SW300-1 a (Dials calibre record SW300-1 a)

Power reserve56 h

Open movement source ↗

Technical data

Conventional winding

Linked to sourced calibre programme

ApplicabilityRequired

DirectionBoth

TPD minimum650

TPD target650

TPD maximum650

Conventional winding fields are evidence-linked reference data. They are separate from any device-specific axial-control profile.

Open winding source ↗

Market context

Market-value disposition

Date not recorded

No exact-reference public market estimate has been admitted for this record.

Market observations are separate from manufacturer specifications and are not used to fill technical gaps.