Side by side

Seiko Prospex SeavsLongines CONQUEST

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

Prospex Sea
SeikoProspex Sea
MSRP $795
CONQUEST
LonginesCONQUEST
MSRP $900

At a glance

19 of 29 specs differ
Diameter
Prospex Sea34mm
CONQUEST29.5mm
Power Reserve
Prospex Sea40h
CONQUEST40h
Water Resistance
Prospex Sea200m
CONQUEST300m
MSRP
Prospex Sea$795
CONQUEST$900

Full specifications

Case

7 specs
Diameter
34mm
29.5mm
Thickness
8.7mm
9.4mm
Lug-to-Lug
40.8mm
36.9mm
Lug Width
16mm
15mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Anti-reflective coating on inner surface
Underside
Dial Color
Black
Blue
Indices
Applied
Applied Arabic numerals and indexes
Lume
LumiBrite on hands and index(es)
Super-LumiNova

Movement

6 specs
Caliber
6N01
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
$795
$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.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many appreciating its comfortable wearability due to its case shape and lug-to-lug distance. Reviewers consistently highlight its impressive finishing and classic dive watch design, often noting the bright LumiBrite lume. Some owners find the watch to be large, thick, and heavy, while others consider it the perfect size, indicating a split opinion on wearability for smaller wrists. The power reserve from some movements is noted as less than newer variants, and the clasp quality receives mixed feedback. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional finishing and value proposition in the dive watch market.

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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