Side by side

Sugess Seestern Heritage S436-2 BB GMTvsSeiko King Seiko KSK

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
King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300

At a glance

15 of 29 specs differ
Diameter
Seestern Heritage S436-2 BB GMT40mm
King Seiko KSK38.6mm
Power Reserve
Seestern Heritage S436-2 BB GMT35h
King Seiko KSK45h
Water Resistance
Seestern Heritage S436-2 BB GMT10m
King Seiko KSK50m
MSRP
Seestern Heritage S436-2 BB GMT$299
King Seiko KSK$3,300

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
40mm
38.6mm
Thickness
12.2mm
10.7mm
Lug-to-Lug
48mm
45.8mm
Lug Width
20mm
19mm
Water Resistance
10m
50m

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Tritium
None

Movement

5 specs
Caliber
Seiko NH34
6L35
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
45h
Jewels
25
26
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$299
$3,300

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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.

Seiko King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK for its exceptional dial and case finishing, often compared to higher-end brands, and its slim, retro design. The use of the Calibre 6L35 movement in some variants is seen as a significant upgrade, contributing to a refined feel, while others note the bracelet is unusually nice and the case offers a mix of brushed and polished finishes with sharp angles. However, some owners question the value proposition, citing misaligned screws and clasp components on their examples, and the standard 6R movement in some models is criticized as a disappointment for the price point. Accuracy figures range from +15/-10 seconds per day to +5 to +7 seconds per day, and water resistance is rated at 5 BAR or 50 meters. Overall, owners and reviewers find the King Seiko KSK to be a beautiful and classy watch with fantastic finishing, though some are divided on its value and movement choice at its price point.

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