Side by side

Sugess Seestern S446 GMTvsYema Navygraf Heritage

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

Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269
Navygraf Heritage
YemaNavygraf Heritage
MSRP $990

At a glance

11 of 29 specs differ
Diameter
Seestern S446 GMT40mm
Navygraf Heritage39mm
Power Reserve
Seestern S446 GMT41h
Navygraf Heritage40h
Water Resistance
Seestern S446 GMT100m
Navygraf Heritage100m
MSRP
Seestern S446 GMT$269
Navygraf Heritage$990

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
40mm
39mm
Thickness
10mm
10.85mm
Lug-to-Lug
47mm
46mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Lume
Tritium
None

Movement

4 specs
Caliber
Seiko NH34
Sellita SW200
Beat Rate
3 vph
28,800 vph
Power Reserve
41h
40h
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$269
$990

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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 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.

Yema Navygraf Heritage

Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful 1970s reissue design, noting craftsmanship better than expected. Some owners report quality control issues including bezel free play and misalignment, while others find the bezel very tight to turn despite precise 120 clicks. The in-house MBP2000 movement is noted by some to be loud and run approximately +10 to +15 seconds per day. On balance, owners appreciate the Yema Navygraf Heritage for its retro aesthetic and comfortable sizing, with noted concerns around movement accuracy and bezel action.

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