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
CONQUEST41mm
Power Reserve
SBGX35540h
CONQUEST40h
Water Resistance
SBGX355100m
CONQUEST300m
MSRP
SBGX355$4,100
CONQUEST$900

Full specifications

Case

9 specs
Category
Dress
Diver
Diameter
37mm
41mm
Thickness
10.6mm
11.8mm
Lug-to-Lug
44.6mm
51mm
Lug Width
19mm
21mm
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
L157.3
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 excellent finishing, comfortable wearability, and strong value, with many highlighting its versatility and smooth hand-winding action. Specific points of praise include the clean design, 30 ATM water resistance, and curved lugs contributing to comfort. However, reviewers and owners consistently note the bracelet's lack of micro-adjustment and the lume is considered poor by multiple sources. Some find the design too simple, and one owner felt the watch was underwhelming in person. On balance, owners rate the Longines CONQUEST highly for its exceptional finishing and value at its price point.

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