Side by side

Sugess Seestern Heritage S436-2 BB GMTvsSeiko 5 Sports SKX series

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
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315

At a glance

14 of 29 specs differ
Diameter
Seestern Heritage S436-2 BB GMT40mm
5 Sports SKX series28mm
Power Reserve
Seestern Heritage S436-2 BB GMT35h
5 Sports SKX series40h
Water Resistance
Seestern Heritage S436-2 BB GMT10m
5 Sports SKX series100m
MSRP
Seestern Heritage S436-2 BB GMT$299
5 Sports SKX series$315

Full specifications

Case

6 specs
Category
GMT
Sport
Diameter
40mm
28mm
Thickness
12.2mm
11.2mm
Lug-to-Lug
48mm
33.1mm
Lug Width
20mm
14mm
Water Resistance
10m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Lume
Tritium
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Seiko NH34
2R06
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
40h
Jewels
25
21
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$299
$315

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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 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

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