Unverified88% confidenceTradeoffTime unknown
Powermatic 80机芯摆频较低(21600次/小时),走时精度理论上比高摆频机芯略逊,对走时精度有洁癖的买家需注意这一取舍。
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88%
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Long-term
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Unverified机芯走时精度约为±几秒/天,优于传统机械表但仍不及石英表;追求高走时精度(如有守时强迫症)的买家需提前接受这一特性。81% similarUnverifiedPowermatic 80机芯走时精度在同价位机械机芯中属于中规中矩水平,对日差有严格要求的用户应注意机械表本身的精度局限。80% similarUnverifiedPowermatic 80 机芯精度表现中规中矩(日差约±10秒以内),并非COSC认证精度,若对走时精度要求极高,需考虑更高价位选项。79% similarUnverifiedPowermatic 80机芯走时精度在同价位自动机芯中属中等水准,80小时动力储存是显著优势,但对精度要求苛刻者(误差个位秒级)仍需接受普通ETA基础机芯的局限。77% similarUnverified精度越高的仪表通常起测电流门槛也越低、价格越高;日常了解冰箱/空调运行功率,普通±2%精度已够用,追求实验室级核算才需±0.5%75% similar
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