Side by side

Phoibos Reef MastervsSeiko Presage Sharp Edged Series

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

Reef Master
PhoibosReef Master
MSRP $335
Presage Sharp Edged Series
SeikoPresage Sharp Edged Series
MSRP $1,100
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.

Seiko Presage Sharp Edged Series

The Seiko Presage Sharp Edged Series is widely lauded for its sharp, angular case design and the intricate finishing of its dials, often featuring traditional Japanese motifs like the Asanoha pattern. Owners and reviewers consistently highlight the beautiful interplay of polished and hairline finishes on the case and bracelet, the use of sapphire crystals, and a robust 100m water resistance. The collection is powered by reliable in-house automatic movements, with many models featuring the 6R35 movement offering a 70-hour power reserve. Some specific models are noted for their refined finishing and updated case facets, while the 24-hour sub-dial on certain variants is considered a niche complication. Overall, owners and reviewers rate the Seiko Presage Sharp Edged Series highly for its striking design and quality finishing at its price point.

At a glance

13 of 29 specs differ
Diameter
Reef Master42mm
Presage Sharp Edged Series40.2mm
Power Reserve
Reef Master40h
Presage Sharp Edged Series45h
Water Resistance
Reef Master200m
Presage Sharp Edged Series100m
MSRP
Reef Master$335
Presage Sharp Edged Series$1,100

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
42mm
40.2mm
Thickness
13mm
12.2mm
Lug-to-Lug
48mm
47.4mm
Lug Width
22mm
20mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Green
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
SII NH38
6R21
Power Reserve
40h
45h
Jewels
25
29

Pricing

1 specs
MSRP
$335
$1,100
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