Side by side

Seestern S450 Ocean StarvsSugess Seestern S446 GMT

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269

At a glance

11 of 29 specs differ
Diameter
S450 Ocean Star40mm
Seestern S446 GMT40mm
Power Reserve
S450 Ocean Star41h
Seestern S446 GMT41h
Water Resistance
S450 Ocean Star100m
Seestern S446 GMT100m
MSRP
S450 Ocean Star$299
Seestern S446 GMT$269

Full specifications

Case

5 specs
Category
Diver
GMT
Thickness
12mm
10mm
Lug-to-Lug
48mm
47mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

4 specs
Caliber
TMI NH35A
Seiko NH34
Beat Rate
21,600 vph
3 vph
Jewels
24
25
Complications
GMT, Date
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$299
$269

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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.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

Sugess Seestern S446 GMT

Owners widely praise the Sugess Seestern S446 GMT for its outstanding finishing and materials at its price point, with specific mentions of the cream or ivory dial, polished hands, and clear crystal offering superb legibility. Accuracy is generally good, with one owner reporting +2/3 seconds per day from the Seiko NH34A movement. Some owners find the lume is not a strong point, and the bracelet clasp could benefit from more micro-adjustment, with screw pins noted as cheap. The GMT hand is described as flat by some, and opinions are split on the "Sugess" versus "Seestern" logo. Overall, owners rate the Sugess Seestern S446 GMT highly for its beautiful dial and excellent build quality for the price.

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