Side by side

Phoibos Reef MastervsSugess Seestern S434 Pro Diver

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

Reef Master
PhoibosReef Master
MSRP $335
Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

13 of 29 specs differ
Diameter
Reef Master42mm
Seestern S434 Pro Diver40mm
Power Reserve
Reef Master40h
Seestern S434 Pro Diver40h
Water Resistance
Reef Master200m
Seestern S434 Pro Diver200m
MSRP
Reef Master$335
Seestern S434 Pro Diver$249

Full specifications

Case

6 specs
Diameter
42mm
40mm
Thickness
13mm
12mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Caseback
Solid
Engraved

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Green
2 Salmon
Lume
Super-LumiNova
Super-LumiNova BGW9

Movement

3 specs
Caliber
SII NH38
NH35
Beat Rate
28,800 vph
3 vph
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$335
$249

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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.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

Sugess Seestern S434 Pro Diver

Owners widely praise the Sugess Seestern S434 Pro Diver for its impressive finishing and craftsmanship at its price point, highlighting the applied indices that play with light, excellent BGW9 lume, and attractive color options. Specific positive notes include the domed sapphire crystal, short lug-to-lug, and on-the-fly clasp adjustment. However, some owners report quality control issues such as misaligned bezels or indices, while others with V2 models experience no such problems. Caveats include slight bezel back play, light AR coating on the crystal, and a clasp that could be smoother, with one owner desiring a color-matched date wheel. On balance, owners rate the Sugess Seestern S434 Pro Diver highly for its exceptional value and build quality, particularly the dial finishing and lume.

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