Side by side

Sugess Seestern Heritage S436-2 BB GMTvsGrand Seiko SLGA009

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
SLGA009
Grand SeikoSLGA009
MSRP $9,800

At a glance

13 of 29 specs differ
Diameter
Seestern Heritage S436-2 BB GMT40mm
SLGA00940mm
Power Reserve
Seestern Heritage S436-2 BB GMT35h
SLGA009120h
Water Resistance
Seestern Heritage S436-2 BB GMT10m
SLGA009100m
MSRP
Seestern Heritage S436-2 BB GMT$299
SLGA009$9,800

Full specifications

Case

5 specs
Category
GMT
Dress
Thickness
12.2mm
11.8mm
Lug-to-Lug
48mm
47.9mm
Lug Width
20mm
22mm
Water Resistance
10m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
Tritium
None

Movement

5 specs
Caliber
Seiko NH34
9RA2
Type
Automatic
Spring Drive
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
120h
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$299
$9,800

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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 SLGA009

The Grand Seiko SLGA009 "White Birch II" is praised for its Spring Drive Caliber 9RA2 movement, offering exceptional accuracy of ±0.5 seconds per day and a 120-hour power reserve. Reviewers highlight its refined dial texture, inspired by Shinshu forests, and the Series 9 design with a frost-finished movement. The watch features a 40mm stainless steel case and a power reserve indicator on the movement bridge. However, its price of $8,600 to $9,100 USD is noted as relatively expensive, reflecting Grand Seiko's increasing price points. Overall, reviewers consider the Grand Seiko SLGA009 a highly refined timepiece, with its advanced Spring Drive movement and aesthetic improvements being key strengths.

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