Side by side

Grand Seiko SLGH017vsZelos Comet 39

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

SLGH017
Grand SeikoSLGH017
MSRP $10,500
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

13 of 29 specs differ
Diameter
SLGH01740mm
Comet 3939mm
Power Reserve
SLGH01780h
Comet 3940h
Water Resistance
SLGH017100m
Comet 3950m
MSRP
SLGH017$10,500
Comet 39$2,499

Full specifications

Case

6 specs
Diameter
40mm
39mm
Thickness
11.7mm
7.6mm
Lug-to-Lug
47mm
39mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Tantalum LE

Movement

3 specs
Caliber
9SA5
ETA/Peseux 7001
Type
Automatic
Manual
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$10,500
$2,499

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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.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

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