Side by side

Sugess Tourbillon Master SU8230vsYema Navygraf Marine Nationale Quartz

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

Tourbillon Master SU8230
SugessTourbillon Master SU8230
MSRP $1,399
Navygraf Marine Nationale Quartz
YemaNavygraf Marine Nationale Quartz
MSRP $499

At a glance

13 of 29 specs differ
Diameter
Tourbillon Master SU823041mm
Navygraf Marine Nationale Quartz39mm
Power Reserve
Tourbillon Master SU823040h
Navygraf Marine Nationale Quartz40h
Water Resistance
Tourbillon Master SU823050m
Navygraf Marine Nationale Quartz100m
MSRP
Tourbillon Master SU8230$1,399
Navygraf Marine Nationale Quartz$499

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
41mm
39mm
Lug-to-Lug
46mm
Lug Width
11mm
19mm
Material
Yellow Gold/Rose Gold/Bronze
316L Stainless Steel
Water Resistance
50m
100m
Caseback
Display
Solid

Crystal & Dial

1 specs
Dial Color
Black
Standard

Movement

4 specs
Caliber
Seagull ST8230
Type
Automatic
Quartz
Beat Rate
3 vph
28,800 vph
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$1,399
$499

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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 Tourbillon Master SU8230

Owners widely praise the Sugess Tourbillon Master for its stunning enamel dial and impressive finishing at its price point. Accuracy figures vary, with one owner reporting -12s/day and another +6 to +11s/day. Caveats include a cumbersome winding crown, limited 50m water resistance, a 21mm lug width, and a non-hacking movement, with one owner noting a power reserve around two days and noticeable resistance when winding. On balance, owners rate the Sugess Tourbillon Master highly for its visually striking dial and finishing, which significantly elevates its perceived value.

Yema Navygraf Marine Nationale Quartz

Owners praise the Yema Navygraf Marine Nationale Quartz for its well-made case, clean legible dial, and comfortable 39mm size, with one noting its thin profile for 300m water resistance. Accuracy figures vary, with one owner reporting +6 seconds per day and another seeing it keep within COSC time. Minor criticisms include a steel bracelet with a slight rattle and sharp edges, bent bracelet pins, and in one instance, crooked dial printing. On balance, owners find the Yema Navygraf Marine Nationale Quartz offers good value and wearability, with its French design and thinner case being key highlights.

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