Side by side

Grand Seiko SLGW007vsLongines HYDROCONQUEST

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

SLGW007
Grand SeikoSLGW007
MSRP $10,000
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,000

At a glance

21 of 29 specs differ
Diameter
SLGW00738.6mm
HYDROCONQUEST41mm
Power Reserve
SLGW00780h
HYDROCONQUEST72h
Water Resistance
SLGW00730m
HYDROCONQUEST300m
MSRP
SLGW007$10,000
HYDROCONQUEST$2,000

Full specifications

Case

9 specs
Category
Dress
Diver
Diameter
38.6mm
41mm
Thickness
9.95mm
11.9mm
Lug-to-Lug
45mm
53.5mm
Lug Width
20mm
21mm
Material
Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
30m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Green
Indices
Applied

Movement

7 specs
Caliber
9SA4
L888.5
Type
Manual
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
80h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$10,000
$2,000

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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.

Grand Seiko SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

Longines HYDROCONQUEST

Owners widely praise the Longines Hydroconquest for its attractive sunburst blue dial and accurate timekeeping, with one owner reporting a loss of only 2 seconds per day. However, the bracelet is frequently criticized for lacking micro-adjustments and having pinch-prone links, and the screw-down crown is noted as inconvenient and difficult to operate by multiple owners. Some owners also flag the bezel action as ratchety with back play, and one owner found the lugs sharp and the overall design uncomfortable, leading them to sell the watch. On balance, owners appreciate the Longines Hydroconquest's aesthetic appeal and value, despite significant reservations about its bracelet and crown usability.

From video reviewers

The bezel action is praised for its smooth and precise rotation. Lume brightness is a shared weakness, found to be somewhat lacking. Reviewers disagreed on the watch's value proposition compared to alternatives.

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