PWI怀表的设计灵感来自1910年代的古典怀表，并向早期的航空部队所使用的轻巧计时器作出致敬。这款怀表带有一条长长的表链，充分表达了Bell & Ross对古典军用表的钟爱。精美的外观、光润的表壳以及 表底盖的”玑镂花纹”装饰都让这款旨在追求纯粹的怀表臻于完美。

机芯: 手动上链机械。
功能: 时针、分针、小秒针。
表壳: 直径49毫米。全精钢。底部带“玑镂花纹”装饰。
表盘: 黑色镀层、圆形、弧状。覆有荧光涂层的指示器、数字及指针。
表镜: 防反光弧形蓝宝石。
防水深度: 30米。

This brand-new, large complication is characterized by its exceptional movement, the Répétition Minutes, and the innovative alloy of its Argentium® case. A symbol of Bell & Ross's expertise, the PW1 Répétition Minutes marks time like the clocks of the past - the hour is not read, but heard.
A time-piece with a complicated mechanism, it indicates the hours and minutes musically on request.
A low-pitched sound is emitted for each hour, followed by a series of double low-pitched and high-pitched sounds for each five minute period that has passed.

Movement: Dubois Dépraz manual winding movement.
(Running time of approximXately 56 hours.)
Functions: hours, minutes, small second hand. 5 minutes repeater: indication, on request and musically, of hours and minutes. a low-pitched sound emitted for each hour, followed by a series of double low-pitched and high-pitched sounds for every five minutes elapsed. The complication is activated by pressing the button on the left-hand side of the case.
Case: 49 mm diameter. Argentium®. The «barleycorn» guilloché caseback opens to reveal the ingenious mechanism.
Dial: ruthenium, sunburst, domed finish. appliqué metal index and numerals.
Glass: anti-reflective domed sapphire.
Water-resistance: 30m.
Chain: silver.