Which is cheaper, the Seestern Sub 300 V4 or the Longines CONQUEST?

At MSRP the Seestern Sub 300 V4 is the cheaper of the two at $10, against $2,850 for the Longines CONQUEST — a $2,840 gap before any retailer discounting.

Which is bigger, the Seestern Sub 300 V4 or the Longines CONQUEST?

The Seestern Sub 300 V4 wears larger at 42mm versus 30mm for the Longines CONQUEST — a 12mm difference across the dial.

Which has better water resistance, the Seestern Sub 300 V4 or the Longines CONQUEST?

The Seestern Sub 300 V4 is rated to 200m versus 100m for the Longines CONQUEST.

Which has a longer power reserve, the Seestern Sub 300 V4 or the Longines CONQUEST?

The Longines CONQUEST carries a 45-hour power reserve against 41 hours on the Seestern Sub 300 V4.

What movement does the Seestern Sub 300 V4 run compared to the Longines CONQUEST?

Both watches run automatic movements — the Seestern Sub 300 V4 uses the Seiko NH35A and the Longines CONQUEST uses the L592.5.

Side by side

Seestern Sub 300 V4vsLongines CONQUEST

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

Seestern Sub 300 V4

Sub 300 V4

MSRP $10

Longines CONQUEST

L3.320.4.97.6

MSRP $2,850

At a glance

22 of 29 specs differ

Diameter

Sub 300 V442mm

CONQUEST30mm

Power Reserve

Sub 300 V441h

CONQUEST45h

Water Resistance

Sub 300 V4200m

CONQUEST100m

MSRP

Sub 300 V4$10

CONQUEST$2,850

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Underside

Both sides

Dial Color

Orange

Blue

Indices

Applied

Diamond indexes

Lume

Japan Lume (blue glow)

Super-LumiNova

Movement

7 specs

Caliber

Seiko NH35A

L592.5

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

45h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

GMT, Date

Hours, minutes, seconds and date

Pricing

1 specs

MSRP

$10

$2,850

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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.

Seestern Sub 300 V4

Owners widely praise the Seestern Sub 300 V4 for its terrific fit and finish and surprising little touches at its $179 price, noting top-notch case, dial, bezel, and crystal. The bracelet is considered nice enough for the price point, and the watch is powered by the solid and reliable Seiko NH35 movement. Some owners report that the polished sides of the case show signs of wear. Overall, owners rate the Seestern Sub 300 V4 highly for its excellent case, dial, and bezel finishing at the price.

WatchUSeek·3

Longines CONQUEST

Owners and reviewers widely praise the Longines CONQUEST for its high-quality finishing, versatile design, and exceptional value, with many highlighting its comfortable wearability and solid build. Accuracy figures are generally positive, with one owner reporting +1/+2 seconds per day. However, several owners note that the bracelet lacks micro-adjustment, which can affect fit, and some find the lume to be weak or inconsistently applied across variants. One owner also mentioned the crown rubbing against the wrist. On balance, owners and reviewers rate the Longines CONQUEST highly for its blend of elegant design and robust build at an accessible price point.

From video reviewers

The perfectly balanced case size is a key strength of the Longines Conquest. A notable weakness is the somewhat lacking lume brightness. Reviewers disagree on the ideal case size, with one preferring 38mm and the other 39mm.

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