REFERENCE
M278278-0030
MODEL CASE
Oyster, 31 mm, yellow gold
BEZEL
Fluted
WATER RESISTANCE
Waterproof to 100 metres / 330 feet
MOVEMENT
Perpetual, mechanical, self-winding
CALIBRE
2236, Manufacture Rolex
POWER RESERVE
Approximately 55 hours
BRACELET
President, semi-circular three-piece links
DIAL
Olive green set with diamonds
CERTIFICATION
Superlative Chronometer (COSC + Rolex certification after casing)
![](http://www.diaprecious.com/cdn/shop/files/m278278-0030_modelpage_spec_portrait.jpg?v=1708078927&width=1900)
![](http://www.diaprecious.com/cdn/shop/files/m278278-0030_modelpage_spec_portrait.jpg?v=1708078927&width=1900)
![](http://www.diaprecious.com/cdn/shop/files/olive-green_dial-yellow_gold-m278278-0030.jpg?v=1708080222&width=1900)
![](http://www.diaprecious.com/cdn/shop/files/olive-green_dial-yellow_gold-m278278-0030.jpg?v=1708080222&width=1900)
OLIVE-GREEN DIAL
![](http://www.diaprecious.com/cdn/shop/files/fluted_bezel-yellow_gold-m278278-0030.jpg?v=1708080215&width=1900)
![](http://www.diaprecious.com/cdn/shop/files/fluted_bezel-yellow_gold-m278278-0030.jpg?v=1708080215&width=1900)
FLUTED BEZEL
![](http://www.diaprecious.com/cdn/shop/files/18_ct_yellow_gold-yellow_gold-yellow-gold.jpg?v=1708080297&width=1900)
![](http://www.diaprecious.com/cdn/shop/files/18_ct_yellow_gold-yellow_gold-yellow-gold.jpg?v=1708080297&width=1900)
18 CT YELLOW GOLD
HOW TO SET YOUR DATEJUST 31
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