Side by side

Monta AtlasvsSpinnaker Challenger Automatic

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

Atlas
MontaAtlas
MSRP $2,150
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289

At a glance

10 of 29 specs differ
Diameter
Atlas38.5mm
Challenger Automatic42mm
Power Reserve
Atlas40h
Challenger Automatic40h
Water Resistance
Atlas152m
Challenger Automatic200m
MSRP
Atlas$2,150
Challenger Automatic$289

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
38.5mm
42mm
Thickness
19mm
Lug-to-Lug
49.5mm
Lug Width
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
152m
200m

Crystal & Dial

1 specs
Dial Color
Silver
Blue

Movement

1 specs
Caliber
Monta M-23
SII NH35A

Pricing

1 specs
MSRP
$2,150
$289

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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.

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.

Spinnaker Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

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