Side by side

Grand Seiko SBGX355vsLongines CONQUEST

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

SBGX355
Grand SeikoSBGX355
MSRP $4,100
CONQUEST
LonginesCONQUEST
MSRP $900

At a glance

21 of 29 specs differ
Diameter
SBGX35537mm
CONQUEST29.5mm
Power Reserve
SBGX35540h
CONQUEST40h
Water Resistance
SBGX355100m
CONQUEST300m
MSRP
SBGX355$4,100
CONQUEST$900

Full specifications

Case

9 specs
Category
Dress
Diver
Diameter
37mm
29.5mm
Thickness
10.6mm
9.4mm
Lug-to-Lug
44.6mm
36.9mm
Lug Width
19mm
15mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Underside
Dial Color
Black
Blue
Indices
Applied
Applied Arabic numerals and indexes
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
9F62
L152.3
Beat Rate
28,800 vph
25,200 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$4,100
$900

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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 SBGX355

The Grand Seiko SBGX355 is widely praised for its beautiful dial, excellent finishing, and perfect 37mm size. Owners report unparalleled accuracy from the 9F62 quartz movement, rated to within 10 seconds per year. The high-intensity titanium case and 100m water resistance are noted features. Some consider the SBGX355 a "baby Snowflake" and a more accessible alternative to other models. Overall, owners and reviewers rate the Grand Seiko SBGX355 highly for its iconic Snowflake dial and exceptional quartz accuracy in a wearable 37mm case.

From video reviewers

The titanium case finishing is a significant strength. The deployant clasp is noted as prone to rattle. Reviewers disagree on the ideal case size for everyday wear.

Longines CONQUEST

Owners widely praise the Longines CONQUEST for its clean, versatile design, excellent build quality, and comfortable wearability, with many highlighting its exceptional value around $1700. Reviewers and owners consistently note the high-quality finishing and the buttery smooth hand-winding feel. Some owners report accuracy figures around -2s/day. Criticisms include a lack of micro-adjustment on the bracelet clasp, a date wheel that may not match the dial, and lume that could be improved, with one reviewer observing that only the black dial version appears to have lumed hands. One owner found the watch underwhelming in person. Overall, owners and reviewers rate the Longines CONQUEST highly for its elegant, everyday sports watch appeal and solid finishing at its price point.

From video reviewers

The sunray dials are a key visual upgrade. The lume application is a noted drawback. Reviewers disagreed on the bracelet's feel compared to the Tudor Jubilee.

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