Side by side

Boldr Expedition EnigmathvsPhoibos Reef Master

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

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
Reef Master
PhoibosReef Master
MSRP $335

At a glance

9 of 29 specs differ
Diameter
Expedition Enigmath41mm
Reef Master42mm
Power Reserve
Expedition Enigmath42h
Reef Master40h
Water Resistance
Expedition Enigmath200m
Reef Master200m
MSRP
Expedition Enigmath$599
Reef Master$335

Full specifications

Case

5 specs
Category
Tool
Diver
Diameter
41mm
42mm
Thickness
12.8mm
13mm
Lug-to-Lug
47.5mm
48mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
Enigmath Coconino
Green

Movement

2 specs
Caliber
Miyota 9039,
SII NH38
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$599
$335

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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.

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

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.

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