Side by side

Maen Grand Tonneau Jump HourvsGrand Seiko STGK031

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

Grand Tonneau Jump Hour
MaenGrand Tonneau Jump Hour
MSRP $999
STGK031
Grand SeikoSTGK031
MSRP $6,600

At a glance

11 of 29 specs differ
Diameter
Grand Tonneau Jump Hour34mm
STGK03130mm
Power Reserve
Grand Tonneau Jump Hour40h
STGK03150h
Water Resistance
Grand Tonneau Jump Hour50m
STGK031100m
MSRP
Grand Tonneau Jump Hour$999
STGK031$6,600

Full specifications

Case

6 specs
Diameter
34mm
30mm
Thickness
9.7mm
10.5mm
Lug-to-Lug
36.2mm
Lug Width
15mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
MNL.01
Black

Movement

2 specs
Caliber
9S27
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$999
$6,600

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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 Jump Hour

Owners widely praise the Maen Grand Tonneau Jump Hour for its unique style and accessible price point for a jump hour complication, with one owner finding the red dial variant looks and wears great. However, some find the hour and minute windows, particularly the minute window, too small and the font illegible, impacting legibility. Criticism also centers on the use of a Chinese Seagull movement in a watch priced over $1,000, leading some to label it a "fashion watch" and a "scam," while others note it is selling for significantly over its original price and is not worth it. On balance, owners are split on the Maen Grand Tonneau Jump Hour, with its unique design and value proposition countered by concerns over legibility and movement choice at its price point.

From video reviewers

The watch is praised for its ultra-thin profile and classic design. Reviewers noted the unique jumping hour complication.

Grand Seiko STGK031

Grand Seiko STGK031 owners widely praise its subtle, light pink dial that shifts to appear white or silver depending on lighting, its refined 30mm case size, and its simple elegance. Some find the 30mm sizing perfect for wearability, with one owner noting it is ideal for those who find 38mm watches too large. The Zaratsu polishing is also a noted strength. However, the Calibre 9S27 movement has a 50-hour power reserve and an accuracy range of +8 to -3 seconds per day, which some consider modest for the price. On balance, owners and reviewers rate the Grand Seiko STGK031 highly for its versatile dial and refined 30mm case.

From video reviewers

The 50-hour power reserve of the Calibre 9S27 movement is a shared strength. The 36mm lug-to-lug measurement is a weakness. Reviewers disagreed on the premium feel of the polished stainless steel case and bracelet compared to Zaratsu polishing.

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