Side by side

Grand Seiko SLGH017vsLongines MASTER COLLECTION

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

SLGH017
Grand SeikoSLGH017
MSRP $10,500
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $2,450

At a glance

19 of 29 specs differ
Diameter
SLGH01740mm
MASTER COLLECTION34mm
Power Reserve
SLGH01780h
MASTER COLLECTION
Water Resistance
SLGH017100m
MASTER COLLECTION30m
MSRP
SLGH017$10,500
MASTER COLLECTION$2,450

Full specifications

Case

8 specs
Diameter
40mm
34mm
Thickness
11.7mm
9.2mm
Lug-to-Lug
47mm
41.7mm
Lug Width
22mm
18mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
9SA5
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
80h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$10,500
$2,450

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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 SLGH017

Grand Seiko SLGH017 owners and reviewers widely praise its impeccable finishing on the applied markers and handset, and its lightweight titanium case and bracelet. The high-beat 9SA5 movement is noted for its approximately 80-hour power reserve, with accuracy figures reported by owners ranging from +4 sec/day to +5 to -3 seconds per day, though some owners express concerns about accuracy deviating significantly from specifications. Some find the "Night Birch" dial stunning and appreciate the Evo 9 case design, while others note the dial texture appears less pronounced on its matte black surface and criticize the handset's proportions and lack of lume. The Grand Seiko SLGH017 is priced at €10,500. On balance, owners and reviewers rate the Grand Seiko SLGH017 highly for its lightweight titanium construction and impeccable finishing.

Longines MASTER COLLECTION

Owners widely praise the Longines Master Collection for its excellent value, refined design, and high-quality finishing, with specific mentions of beautiful dials featuring engraved Breguet numerals and attractive vintage aesthetics. The watch is noted for its dressy feel and classic styling, with some owners preferring its wearability to other collections. However, some reviewers flag the subdial cutting off numerals, uninspiring crown and pushers on certain chronograph models, and a lack of micro-adjustments on the bracelet. Other owners find the case finishing homogenous and dial printing less refined, and the collection's traditional styling is sometimes seen as less popular than sportier alternatives. Accuracy figures are not consistently reported across sources, and water resistance is noted as 30m on one variant. Overall, owners and reviewers rate the Longines Master Collection highly for its refined design and exceptional value, particularly for its dress watch offerings.

From video reviewers

The watch's lug-to-lug fit of 44.75mm is a notable combination with its 38.5mm width, making it suitable for smaller wrists. The Longines MASTER COLLECTION's annual calendar function can be finicky, requiring occasional manual adjustments to keep it accurate. Reviewers disagree on the watch's case size, with one reviewer mentioning 40mm and another mentioning 42mm.

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