Side by side

Grand Seiko SLGA009vsLongines CONQUEST HERITAGE

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800
CONQUEST HERITAGE
LonginesCONQUEST HERITAGE
MSRP $3,400

At a glance

20 of 29 specs differ
Diameter
SLGA00940mm
CONQUEST HERITAGE38mm
Power Reserve
SLGA009120h
CONQUEST HERITAGE
Water Resistance
SLGA009100m
CONQUEST HERITAGE50m
MSRP
SLGA009$9,800
CONQUEST HERITAGE$3,400

Full specifications

Case

8 specs
Category
Dress
Diameter
40mm
38mm
Thickness
11.8mm
10.8mm
Lug-to-Lug
47.9mm
48.1mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Water Resistance
100m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Anthracite
Indices
Applied

Movement

7 specs
Caliber
9RA2
L888.5
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
120h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$9,800
$3,400

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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 HERITAGE

Owners widely praise the Longines Conquest Heritage for its beautiful, unique dial designs and faithful vintage re-release aesthetic, with reviewers highlighting its balanced, thin, and lightweight feel. The 35mm version is noted for its pie-pan dial, applied markers, dauphine hands with lume, and ETA 2824/2 movement, while the Central Power Reserve variant revives a 1959 design with a novel central power reserve indicator. Some owners find the Central Power Reserve model slightly big and chunky, and one reviewer notes the lugs can create a noticeable gap on the wrist. The indices and hands can be harder to read in direct light. On balance, owners and reviewers rate the Longines Conquest Heritage highly for its elegant, vintage look and attractive finishing at its price point.

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