Side by side

Sugess Seestern Heritage S436-2 BB GMTvsGrand Seiko SLGH017

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

Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299
SLGH017
Grand SeikoSLGH017
MSRP $10,500

At a glance

13 of 29 specs differ
Diameter
Seestern Heritage S436-2 BB GMT40mm
SLGH01740mm
Power Reserve
Seestern Heritage S436-2 BB GMT35h
SLGH01780h
Water Resistance
Seestern Heritage S436-2 BB GMT10m
SLGH017100m
MSRP
Seestern Heritage S436-2 BB GMT$299
SLGH017$10,500

Full specifications

Case

6 specs
Category
GMT
Dress
Thickness
12.2mm
11.7mm
Lug-to-Lug
48mm
47mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
10m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
Tritium
None

Movement

4 specs
Caliber
Seiko NH34
9SA5
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
80h
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$299
$10,500

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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.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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.

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