Brand OMEGA Model Speedmaster mark 40 Gender Men's Material Stainless Steel / Stainless Steel Dial color Gray / black Movement Automatic Ref Number 3520.53 Serial Number 56781*** Functions Triple calendar、Chronograph、Small seconds、AMPM Accessories Guarantee(card) 2.5 Extra Link (2.1cm/0.8inch) Case size About 39mm (1.5inch) (not including the crown) Wrist size About 16.5 + 2.1cm (6.5 + 0.8 inch) Lugs width 18mm(0.7 inch) Keeping time -9 sec/day(measured value) ※Reference value Guarantee information 2000/04/07 State of the wound Glass a few scratch, Small hit Scratch Case Light scratch, small wound Bezel Light scratch, small wound Belt/Bracelet few scratch Hand No damage Dial Light damage, Stains Buckle No damage CL Number 962912 039 260725 GT Condition Rank Body rank AB Belt/Bracelet rank A
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
Good value for the price. The item works as expected and there have been no issues during use. Everything seems to function properly.