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 $6,350

At a glance

21 of 29 specs differ
Diameter
SLGH01740mm
MASTER COLLECTION25.5mm
Power Reserve
SLGH01780h
MASTER COLLECTION45h
Water Resistance
SLGH017100m
MASTER COLLECTION30m
MSRP
SLGH017$10,500
MASTER COLLECTION$6,350

Full specifications

Case

9 specs
Category
Dress
Diameter
40mm
25.5mm
Thickness
11.7mm
9mm
Lug-to-Lug
47mm
30.6mm
Lug Width
22mm
13mm
Material
Titanium
Gold
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Silver
Indices
Applied
Painted Arabic numerals
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
9SA5
L592.5
Power Reserve
80h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$10,500
$6,350

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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

The Longines Master Collection is widely praised for its excellent value, with reviewers and owners citing its dressy aesthetic, good fit and finish, and attractive complications like annual calendars and chronographs for under $3,000. Owners highlight the beautiful dials, engraved numerals, and the L893 caliber's 72-hour power reserve. Some find the standard Master Collection thin and well-finished, while others note a slightly thicker case on certain models. A few owners express reservations about the bracelet's adjustment options and the homogeneity of the case finishing. One reviewer points out that the subdial can obscure the '7' numeral on the Small Seconds model, and another notes that pushers can feel cheap and the chrono hour counter may not reset perfectly. Water resistance is noted as 30m on some models.

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