This lamp from Elstead Lighting has an IP44 rating. This wall flush light is meant to be used outdoors and 60W is the maximum recommended wattage for bulbs.
From Debenhams
Holborn 1 Light Outdoor Small Wall Half Lantern Light Dark Bronze IP44 E14 - Brown - One Size
Lyco
Elstead Holborn Half Lantern Outdoor Wall Light - Polished Chrome