Side by side

Mark Time Watches M 6vsSpinnaker Challenger Automatic

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

What people say

Owners + reviewers, side by side

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

Mark Time Watches M 6

The Mark Time Watches M 6 features a 39mm case with a deep black dial that gives the hands a floating appearance, and the second hand extends to the edge of the dial. Owners appreciate the absence of a ghost date position, a minimalist logo, and actual bezel screws. However, some find telling time to the nearest minute or two is challenging. Overall, owners value the M 6 for its thoughtful design elements like the full-length second hand and functional bezel screws.

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.

At a glance

11 of 29 specs differ
Diameter
M 639mm
Challenger Automatic42mm
Power Reserve
M 6
Challenger Automatic
Water Resistance
M 6100m
Challenger Automatic200m
MSRP
M 6$495
Challenger Automatic$289

Full specifications

Case

7 specs
Category
Diver
Diameter
39mm
42mm
Thickness
10.6mm
19mm
Lug-to-Lug
45mm
49.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Blue

Movement

2 specs
Caliber
Miyota 9039
Seiko NH35
Power Reserve
0h

Pricing

1 specs
MSRP
$495
$289
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