Small size: approximately 14cm+ elastic cord adjustment (not including dial length), approximately suitable for 5.8-6.8 inches of wrist product weight: approximately 33.5g after packaging
Medium size: about 15.5cm+ elastic cord adjustment (not including dial length), roughly suitable for 6.5-7.5 inches of wrist product weight: about 35.7g after packaging
All dimensions were measured manually with some deviation.