Direct answer: On a watch, 30M and 50M are pressure-equivalent ratings, not depth limits. A 30M watch is built for splashes and rain but not swimming, while a 50M watch is generally suitable for light swimming and showering. Neither rating permits diving, and neither means the watch can be worn 30 or 50 metres underwater. Why 30M Does Not Mean 30 Metres This is the single most common misunderstand...
Direct answer: Minimum order quantity is driven mainly by per-variant setup, unit cost by the bill of materials plus setup amortisation, and lead time by the sequence of sampling, artwork approval, material procurement and production. All three move together: adding a variant usually raises the minimum, the unit cost and the lead time at the same time. What Actually Determines the Minimum Order Qu...
The unit cost of an analog-digital watch is largely decided before production starts, by four choices: the movement platform, the LCD specification, the case tooling and the hand alignment step. Buyers who lock these at specification stage get a cost they can plan around. Buyers who leave them open discover the number after tooling, when changing course is expensive. What Decides the Cost of an An...
