The hour scale of surface of white pearl conch is set locally have blue, pink and maize gem, plus garnet, ruby and beryl, 6 kinds of colour build a gorgeous rainbow effect.

• 白色珍珠贝壳表面的小时刻度位置上镶有蓝色、粉红及黄色宝石，再加上石榴石、红宝石和绿宝石，6种色彩营造出绚烂的彩虹效果。