Side by side

Phoibos Reef MastervsSeiko Prospex Sea PADI Special Edition

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

Reef Master
PhoibosReef Master
MSRP $335
Prospex Sea PADI Special Edition
SeikoProspex Sea PADI Special Edition
MSRP $1,200

At a glance

11 of 29 specs differ
Diameter
Reef Master42mm
Prospex Sea PADI Special Edition45mm
Power Reserve
Reef Master40h
Prospex Sea PADI Special Edition70h
Water Resistance
Reef Master200m
Prospex Sea PADI Special Edition200m
MSRP
Reef Master$335
Prospex Sea PADI Special Edition$1,200

Full specifications

Case

4 specs
Diameter
42mm
45mm
Thickness
13mm
13.4mm
Lug-to-Lug
48mm
52.6mm
Lug Width
22mm
20mm

Crystal & Dial

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

Movement

3 specs
Caliber
SII NH38
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$335
$1,200

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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 Prospex Sea PADI Special Edition

The Seiko Prospex Sea PADI Special Edition is widely praised for its attractive PADI color schemes, often featuring blue and red accents, and striking dials described as gorgeous and standing out in the light. Owners report excellent build quality and bezel action, with one noting the watch feels like it can take a beating, and another highlighting the lume as among the best. The bracelet is also frequently called high-quality and exceeding expectations for its price point. However, some owners find the case design can make the watch feel top-heavy, and the pin and collar system on the bracelet can be difficult during resizing. The accuracy of the 4R35 movement is noted as +45 to -35 seconds per day, and some may prefer sapphire over the Hardlex crystal. Overall, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its distinctive aesthetics and robust build at its price point.

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