Side by side

Grand Seiko SLGH017vsLongines LONGINES SECTOR DIAL

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

SLGH017
Grand SeikoSLGH017
MSRP $10,500
LONGINES SECTOR DIAL
LonginesLONGINES SECTOR DIAL
MSRP $2,750

At a glance

12 of 29 specs differ
Diameter
SLGH01740mm
LONGINES SECTOR DIAL38.5mm
Power Reserve
SLGH01780h
LONGINES SECTOR DIAL40h
Water Resistance
SLGH017100m
LONGINES SECTOR DIAL30m
MSRP
SLGH017$10,500
LONGINES SECTOR DIAL$2,750

Full specifications

Case

7 specs
Category
Dress
Diameter
40mm
38.5mm
Thickness
11.7mm
11mm
Lug-to-Lug
47mm
47.6mm
Lug Width
22mm
19mm
Material
Titanium
Stainless Steel
Water Resistance
100m
30m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Ivory

Movement

2 specs
Caliber
9SA5
L893.5
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$10,500
$2,750

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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 SECTOR DIAL

The Longines Sector Dial wins broad praise for its faithful 1934-inspired sector dial design and exceptional readability, paired with a well-proportioned 38.5mm case that appeals to fans of vintage proportions. Owners consistently highlight the dial's visual presence in sunlight and strong value relative to Longines' current positioning, while reviewers commend the modern L893 movement with silicon hairspring and clean finishing. The 47mm lug-to-lug length and 19mm lug width draw mixed reactions — some find the lugs elongated for the case size, and one owner views the strap width as undersizing the case proportionally; others note the small seconds subdial bisects the 6, and the polished caseback invites scratches. The 30-meter water resistance is flagged as modest for daily wear.

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