Kernrechtsfrage
Whether the employee proved entitlement to payment for overtime hours under the employment contract and Art. 321c CO
Extrahierter Entscheid
The overtime was sufficiently established; the hours were at least implicitly ordered and necessary for the employer's business, so payment was due.
Extrahierte Begründung
The employee's schedule followed the showroom opening hours; the employer knew of and accepted this practice; the lower courts could estimate hours under Art. 42(2) CO where precise proof was impossible.