专业术语解 释(数学或飞机油量)计算功能slide rule 12 个面色彩12-facet chaton 12 小时子表盘12-hour recorder(register) 20 度防水20 ATM water-resistant depth sensor/depth meter A device on a divers' watch that determines the wearer's depth by measuring water pressure
It shows the depth either by analog hands and a scale on the watch face or through a digital display
diving watch A watch that is water resistant to 200M
Has a one way rotating bezel and a screw-on crown and back
Has a metal or rubber strap (not leather)
Has a sapphire crystal and possibly, a wet-suit extension
EL 薄膜EL film escapement Device in a mechanical movement that controls the rotation of the wheels and thus the motion of the hands
Head a tapered box with prongs, which holds a stone in a mounting LCD 部件LCD part LED 部件LED part UV 紫外光灯箱UV