Side by side

Grand Seiko SLGA009vsLongines CONQUEST

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800
CONQUEST
LonginesCONQUEST
MSRP $2,850

At a glance

20 of 29 specs differ
Diameter
SLGA00940mm
CONQUEST41mm
Power Reserve
SLGA009120h
CONQUEST72h
Water Resistance
SLGA009100m
CONQUEST100m
MSRP
SLGA009$9,800
CONQUEST$2,850

Full specifications

Case

7 specs
Category
Dress
Diameter
40mm
41mm
Thickness
11.8mm
10.9mm
Lug-to-Lug
47.9mm
49.1mm
Lug Width
22mm
21mm
Finish
Brushed and polished
Caseback
Solid
Screw-down and transparent with sapphire crystal case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Both sides
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

8 specs
Caliber
9RA2
L888.5
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
25,200 vph
Power Reserve
120h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$9,800
$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.

Grand Seiko SLGA009

The Grand Seiko SLGA009 "White Birch II" is praised for its Spring Drive Caliber 9RA2 movement, offering exceptional accuracy of ±0.5 seconds per day and a 120-hour power reserve. Reviewers highlight its refined dial texture, inspired by Shinshu forests, and the Series 9 design with a frost-finished movement. The watch features a 40mm stainless steel case and a power reserve indicator on the movement bridge. However, its price of $8,600 to $9,100 USD is noted as relatively expensive, reflecting Grand Seiko's increasing price points. Overall, reviewers consider the Grand Seiko SLGA009 a highly refined timepiece, with its advanced Spring Drive movement and aesthetic improvements being key strengths.

Longines CONQUEST

Owners widely praise the Longines CONQUEST for its high-quality finishing, excellent value, and versatile design, with many citing the L888.5 movement and 72-hour power reserve as key strengths. The watch is frequently noted for its comfortable bracelet and attractive dials, offering comparable quality to more expensive alternatives. However, several owners and reviewers point out the lack of micro-adjustment on the bracelet clasp as a significant drawback, with some also noting the polished surfaces are prone to micro-scratches and the lume is inconsistent across variants, with only some models featuring lumed hands. On balance, owners and reviewers rate the Longines CONQUEST highly for its impressive finishing and value proposition, particularly its robust movement and versatile wearability.

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