Swiss-made O-MASTER octagonal hand-wound watch with anti-magnetic function. - Brand: O-MASTER - Model Name: KING HORSE - Function: Anti-magnetic - Belt Material: Leather - Case Shape: Octagonal - Movement: Swiss-made - Color: Black - Dial Color: Black Thank you for viewing. Body size 28mm (including crown) It is running, but I do not know the time difference. Please consider it as is. No returns accepted to prevent switching. No claims, no returns, and no cancellations under any circumstances.