The Ultimate Guide to Waterproof Watches
| 1st Paper | 7th Wool, Copper | 13th Lace | 35th Coral, Platinum |
| 2nd Cotton | 8th Bronze, Pottery | 14th Ivory | 40th Ruby |
| 3rd Leather | 9th Willow, Pottery | 15th Crystal | 45th Sapphire |
| 4th Fruit, Flowers, Silk | 10th Tin, Aluminium | 20th China | 50th Gold |
| 5th Wood | 11th Steel | 25th Silver | 55th Emerald |
| 6th Iron, Sugar, Sweets | 12th Silk, Linen | 30th Pearl | 60th Diamond |
| 1st Clocks | 11th Jewellery | 21st Brass, Nickel | 30th Diamond | 39th Lace |
| 2nd China | 12th Pearls, Gems | 22nd Copper | 31st Timepieces | 40th Ruby |
| 3rd Crystal, Glass | 13th Textiles, Furs | 23rd Silver Plate | 32nd Vehicle | 45th Sapphire |
| 4th Appliances | 14th Gold jewellery | 24th Musical Instruments | 33rd Amethyst | 50th Gold Jewellery |
| 5th Silverware | 15th Watches | 25th Silver | 34th Opal | 55th Emerald |
| 6th Sweets, iron, wood | 16th Silver Holoware | 26th Pictures | 35th Jade | 60th Diamond |
| 7th Desk Sets | 17th Furniture | 27th Sculpture | 36th Bone China | |
| 8th Bronze, Pottery | 18th Porcelain | 28th Orchids | 37th Alabaster | |
| 9th Linen, Lace | 19th Bronze | 29th Furniture | 38th Beryl, Tourmaline | |
| 10th Leather | 20th Platinum |
For information about engagement / betrothal visit: http://en.wikipedia.org/wiki/Engagement#Betrothal