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 $1,400

At a glance

13 of 29 specs differ
Diameter
Reef Master42mm
Presage Sharp Edged Series42.2mm
Power Reserve
Reef Master40h
Presage Sharp Edged Series45h
Water Resistance
Reef Master200m
Presage Sharp Edged Series100m
MSRP
Reef Master$335
Presage Sharp Edged Series$1,400

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
42.2mm
Thickness
13mm
13.7mm
Lug-to-Lug
48mm
49.2mm
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
6R64
Power Reserve
40h
45h
Jewels
25
29

Pricing

1 specs
MSRP
$335
$1,400

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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.

Seiko Presage Sharp Edged Series

The Seiko Presage Sharp Edged Series is widely praised for its modern, angular case design and intricate Asanoha dial patterns, with reviewers highlighting its refined finishing and strong cultural significance. Owners and reviewers consistently note the 70-hour power reserve from the 6R35 movement (or 6R38/6R5J in some variants), anti-reflective sapphire crystals, and 10 bar water resistance. The collection is considered competitively priced, offering significant value for its design and build quality. Some models feature a super-hard coating on the case and bracelet. One owner notes the black dial of the SARX083 offers a subtle pop in the light, and another reviewer points out that a 24-hour indicator on certain models is a niche feature. Case sizes vary, with some models at 39.3mm and others at 40.2mm, and thickness ranges from 11.1mm to 11.8mm. Power reserves differ, with some models featuring 45 hours from the 6R21 movement.

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