Which is cheaper, the Grand Seiko SBGM245 or the Longines CONQUEST?

At MSRP the Longines CONQUEST is the cheaper of the two at $4,750, against $6,100 for the Grand Seiko SBGM245 — a $1,350 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGM245 or the Longines CONQUEST?

The Grand Seiko SBGM245 wears larger at 40.5mm versus 34mm for the Longines CONQUEST — a 6.5mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGM245 or the Longines CONQUEST?

The Grand Seiko SBGM245 is rated to 200m versus 100m for the Longines CONQUEST.

Which has a longer power reserve, the Grand Seiko SBGM245 or the Longines CONQUEST?

The Grand Seiko SBGM245 carries a 72-hour power reserve against 40 hours on the Longines CONQUEST.

What movement does the Grand Seiko SBGM245 run compared to the Longines CONQUEST?

Both watches run automatic movements — the Grand Seiko SBGM245 uses the 9S66 and the Longines CONQUEST uses the L888.5.

Side by side

Grand Seiko SBGM245vsLongines CONQUEST

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

Grand Seiko SBGM245

sbgm245g

MSRP $6,100

Longines CONQUEST

L3.430.0.87.6

MSRP $4,750

At a glance

11 of 29 specs differ

Diameter

SBGM24540.5mm

CONQUEST34mm

Power Reserve

SBGM24572h

CONQUEST40h

Water Resistance

SBGM245200m

CONQUEST100m

MSRP

SBGM245$6,100

CONQUEST$4,750

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Mother of Pearl

Movement

2 specs

Caliber

9S66

L888.5

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$6,100

$4,750

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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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

WatchUSeek

Longines CONQUEST

Owners widely praise the Longines CONQUEST for its versatile, aesthetically pleasing design, comfortable wearability, and excellent value, with many highlighting its high-quality finishing and smooth winding action. Reviewers and owners alike note the watch's well-wearing size and blend of vintage and modern design elements. Some owners report the polished surfaces can be prone to scratches, and multiple sources flag the bracelet's lack of micro-adjustment as a significant drawback impacting fit. Lume quality is also a recurring point of criticism, with one reviewer noting only the black dial version appears to have lumed hands. Overall, owners and reviewers consider the Longines CONQUEST a highly versatile and well-built everyday sports watch offering significant value.

From video reviewers

The elegant gold dial is a notable aspect of the Longines CONQUEST. The quartz movement may be a drawback for collectors who prefer mechanical movements. Reviewers disagree on the standout feature, with one highlighting the gold dial and the other the Blue Sunburst dial.

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