Side by side

Grand Seiko SLGH017vsTudor 1926 Luna

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

SLGH017
Grand SeikoSLGH017
MSRP $10,500
1926 Luna
Tudor1926 Luna
MSRP $3,000

At a glance

19 of 29 specs differ
Diameter
SLGH01740mm
1926 Luna39mm
Power Reserve
SLGH01780h
1926 Luna38h
Water Resistance
SLGH017100m
1926 Luna100m
MSRP
SLGH017$10,500
1926 Luna$3,000

Full specifications

Case

8 specs
Category
Dress
Moonphase
Diameter
40mm
39mm
Thickness
11.7mm
10.1mm
Lug-to-Lug
47mm
46mm
Lug Width
22mm
21mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Polished
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black

Movement

7 specs
Caliber
9SA5
T607-
Beat Rate
28,800 vph
0 vph
Power Reserve
80h
38h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Moonphase

Pricing

1 specs
MSRP
$10,500
$3,000

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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.

Tudor 1926 Luna

The Tudor 1926 Luna offers a moonphase complication at an approachable price, featuring a 39mm polished steel case and domed sunray dials. It is powered by a chronometer-grade Sellita SW280-1 movement with a 41-hour power reserve. Some reviewers note that the dressier aesthetic of the 1926 line may not align with Tudor's overall brand identity, and the bracelet lacks micro-adjustments. Overall, owners and reviewers find the Tudor 1926 Luna a good value for its romantic moonphase complication and polished finishing.

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