Side by side

Oris Divers Sixty‑Five 12h Calibre 400vsMonta Atlas

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
Atlas
MontaAtlas
MSRP $2,150

At a glance

17 of 29 specs differ
Diameter
Divers Sixty‑Five 12h Calibre 40040mm
Atlas38.5mm
Power Reserve
Divers Sixty‑Five 12h Calibre 400120 hoursh
Atlas40h
Water Resistance
Divers Sixty‑Five 12h Calibre 400100m
Atlas152m
MSRP
Divers Sixty‑Five 12h Calibre 400$4,300
Atlas$2,150

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
38.5mm
Lug-to-Lug
47mm
Lug Width
20mm
Finish
Brushed and polished
Water Resistance
100m
152m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Silver
Indices
Applied

Movement

5 specs
Caliber
CALIBRE 400
Monta M-23
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
40h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$4,300
$2,150

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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.

Monta Atlas

The Monta Atlas is widely praised for its exceptional wearability, with its comfortable 38.5mm case size and buttery bracelet frequently highlighted. Owners and reviewers alike commend its fit and finish, noting a mix of brushed, polished, and blasted surfaces. However, the rehaut on the opaline silver dial is considered nearly illegible for the 24-hour GMT scale, leading some to suggest other dial colors are more practical for GMT functionality. One owner also flagged the crown as less sturdy than anticipated and noted the AR coating attracts fingerprints. Overall, owners and reviewers rate the Monta Atlas highly for its comfortable dimensions and appealing finishing.

From video reviewers

The Monta Opalin Silver's dial is a notable strength, particularly its subtle gradient effect that adds depth to the watch without being too flashy. The watch offers a notable value proposition due to its movement, typically found in more expensive timepieces. The bracelet can be prone to rattle, which might be a trade-off for some buyers.

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