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Luminox XB.3721.ECO Bear Grylls Survival ECO Rule of 3 Watch


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Luminox XB.3721.ECO Bear Grylls Survival ECO Rule of 3 Watch

The Luminox XB.3721.ECO Bear Grylls Survival ECO Rule of 3 watch was designed to represent the “Survival Rule of 3”, the rule states that one can survive without air for 3 minutes, shelter for 3 hours, water for 3 days and food for 3 weeks. These rules show the priorities in which one will have to secure in order to live through extreme conditions. The rules are printed on a removable sleeve and attached onto the strap as a reminder. Bear lives and operates by these priorities of survival and the rule of three is a clear guide for him during times of high stress.

Luminox XB.3721.ECO Bear Grylls Survival ECO Features

Survival by Threes

The rule of three. There are a number of them. The Latin phrase omne trium perfectum means “everything that comes in threes is perfect,” and there is a rule of three in writing, in comedy, and even when it comes to bad luck, which is said to come in threes. Humans process information through pattern recognition, so there is also a rule of three in survival, emphasizing the need to concentrate on the most important priorities.

Survival Rule of 3

With Bear Grylls, Luminox has expanded the rule of three, incorporating the priority of finding shelter in unforgiving circumstances. Here is how the rule breaks down – the situation and how long you can survive without:

Air: 3 Minutes

Shelter: 3 Hours

Water: 3 Days

Food: 3 Weeks


Origin Swiss Made
Always Visible Constant glow for up to 25 years
Size of Case (diameter) 42 mm
Function Time Date
Water Resistance (meters, feet, ATM) 200 / 660 / 20
Movement Swiss Quartz
Case Material Ocean waste
Bezel Uni-directional rotating
Case Back 316L Stainless steel screw in
Crystal Glass Material Hardened mineral crystal (550-650 Vickers)
Crown Screw in, double security gasket, crown protected
Strap / Bracelet Ocean waste
Lug Width 24 mm
Case Height 14 mm
Weight 77 g


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