Side by side

Maen Grand Tonneau Ultra ThinvsSeiko 5 Sports SKX series

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

Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $495

At a glance

14 of 29 specs differ
Diameter
Grand Tonneau Ultra Thin34mm
5 Sports SKX series42.5mm
Power Reserve
Grand Tonneau Ultra Thin40h
5 Sports SKX series41h
Water Resistance
Grand Tonneau Ultra Thin50m
5 Sports SKX series100m
MSRP
Grand Tonneau Ultra Thin$1,519
5 Sports SKX series$495

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
34mm
42.5mm
Thickness
6.4mm
13.6mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
MNL.04
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
4R34
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$1,519
$495

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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.

Maen Grand Tonneau Ultra Thin

Owners widely report the Maen Grand Tonneau Ultra Thin features a La Joux-Perret D101 manual-wind movement and a double-layer enamel dial. Some owners criticize the bracelet design and find the dial too small and lacking indices. One owner describes the Maen Grand Tonneau Ultra Thin as "hideous with a good movement." On balance, owners are divided on the Maen Grand Tonneau Ultra Thin, with some appreciating its movement and dial while others find its design unappealing.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised as an excellent gateway watch, offering great value with a solid build and powerful lume. Owners widely report that the NH36 movement's accuracy is a "luck of the draw," with official specs allowing up to +/-40 seconds per day, though many experience +/-5 to 10 seconds. Some owners note the lack of a screw-down crown and 100m water resistance, while others highlight its ISO 6425 compliance, 200m water resistance, and screw-down crown as superior tool watch features. Some owners find the original SKX models heavier and bulkier than newer lines, while others praise its iconic, tough, and rugged dive watch design and proven durability. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its iconic, durable dive watch design and strong value proposition.

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