Side by side

Boldr Expedition EnigmathvsZelos Hammerhead V3 300m Titanium

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

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559
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

Boldr is widely praised for its attractive fumé dials, blend of sandblasted and polished case finishes, and excellent legibility. Owners report good build quality and value, with some calling it an excellent GADA or hiking watch, and the Miyota 9039 movement is noted for its smooth seconds hand sweep. However, the practical usefulness of the slide rule bezel is questioned, and some find the designs "microbrand-y" or potentially overpriced, with one owner reporting a negative warranty experience. On balance, owners and reviewers rate Boldr highly for its attractive dials and solid build quality at the price point.

From video reviewers

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.

Zelos Hammerhead V3 300m Titanium

The Zelos Hammerhead V3 300m Titanium is widely praised for its exceptional lume, unique and beautiful dial finishing that reflects light dramatically, and solid build quality that exceeds its price point. Owners also highlight its comfortable wearability, especially the lightweight titanium variant, and the convenient on-the-fly micro-adjustment on the bracelet. One owner notes the Japanese movement performs better than anticipated, and the Ti-Damascus variant features a unique, patterned dial and bezel. However, some owners find the 44mm size large, the crown "off," and the bracelet clasp could be more scratch-resistant, with resizing pins described as stubborn. Reattaching the bracelet after removal is also noted as extremely difficult. Overall, owners rate the Zelos Hammerhead V3 300m Titanium highly for its impressive dial aesthetics and value for money.

At a glance

14 of 29 specs differ
Diameter
Expedition Enigmath41mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Expedition Enigmath42h
Hammerhead V3 300m Titanium40h
Water Resistance
Expedition Enigmath200m
Hammerhead V3 300m Titanium300m
MSRP
Expedition Enigmath$599
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
41mm
44mm
Thickness
12.8mm
13mm
Lug-to-Lug
47.5mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Enigmath Coconino
Ti - Mosaic MOP
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039
Seiko NH35
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$599
$559
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