Side by side

Seiko Diamond CollectionvsLongines CONQUEST

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

Diamond Collection
SeikoDiamond Collection
MSRP $525
CONQUEST
LonginesCONQUEST
MSRP $900
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Diamond Collection

The Seiko Diamond Collection is widely praised by owners for its stunning beauty, featuring 14 diamonds, a mother-of-pearl dial, and a two-tone color scheme. Reviewers note its dial is difficult to capture in photos and that its fit and finish suggest excellent value, especially when purchased on sale. One owner describes the gold plating on the bracelet showing some fading from desk work, and its gold tone may not suit all tastes. Overall, owners rate the Seiko Diamond Collection highly for its striking aesthetics and perceived value.

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.

At a glance

20 of 29 specs differ
Diameter
Diamond Collection30mm
CONQUEST29.5mm
Power Reserve
Diamond Collection40h
CONQUEST40h
Water Resistance
Diamond Collection50m
CONQUEST300m
MSRP
Diamond Collection$525
CONQUEST$900

Full specifications

Case

8 specs
Category
Dress
Diver
Diameter
30mm
29.5mm
Thickness
6.3mm
9.4mm
Lug-to-Lug
36.5mm
36.9mm
Lug Width
5mm
15mm
Finish
Brushed and polished
Water Resistance
50m
300m
Caseback
Solid
Screw-down case back

Crystal & Dial

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

Movement

6 specs
Caliber
7N01
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
$525
$900
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