Side by side

Oris Divers Sixty‑Five 12h Calibre 400vsPhoibos Reef Master

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Divers Sixty‑Five 12h Calibre 400
OrisDivers Sixty‑Five 12h Calibre 400
MSRP $4,300
Reef Master
PhoibosReef Master
MSRP $335

At a glance

18 of 29 specs differ
Diameter
Divers Sixty‑Five 12h Calibre 40040mm
Reef Master42mm
Power Reserve
Divers Sixty‑Five 12h Calibre 400120 hoursh
Reef Master40h
Water Resistance
Divers Sixty‑Five 12h Calibre 400100m
Reef Master200m
MSRP
Divers Sixty‑Five 12h Calibre 400$4,300
Reef Master$335

Full specifications

Case

7 specs
Diameter
40mm
42mm
Thickness
13mm
Lug-to-Lug
48mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Dial Color
Black
Green
Indices
Applied
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
CALIBRE 400
SII NH38
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
40h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$4,300
$335

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Oris Divers Sixty‑Five 12h Calibre 400

Owners widely praise the Oris Divers Sixty-Five 12h Calibre 400 for its refined finishing, comfortable tapered bracelet, and the Calibre 400 movement's 5-day power reserve, 10-year warranty, and 10-year service interval. The 12-hour bezel is noted as useful for travel, and the domed sapphire crystal creates appealing light play. Accuracy is reported as precise, with one owner seeing +1.6 seconds per day. However, some find the watch bland and overpriced at $3900, questioning its dive watch credentials with 100m water resistance. One owner reported issues with the date wheel and accuracy after a month, and the date window's black fill is noted as not perfectly matching the matte dial. Overall, owners rate the Oris Divers Sixty-Five 12h Calibre 400 highly for its movement upgrades and elegant, wearable design.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

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