Side by side

Boldr Expedition EnigmathvsSanturce Guaraguao True GMT — Automatic Pilot Watch

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

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.

Santurce Guaraguao True GMT — Automatic Pilot Watch

The Santurce Guaraguao True GMT — Automatic Pilot Watch utilizes the Miyota 9075 automatic true GMT movement. Owners note the Miyota 9075 is an affordable true GMT movement. One owner found the 15mm thickness to be substantial, though the 38mm diameter made it wear well; another user considered the lack of a date window a dealbreaker. On balance, owners find the Miyota 9075 movement appealing for its true GMT functionality at an accessible price point.

At a glance

11 of 29 specs differ
Diameter
Expedition Enigmath41mm
Guaraguao True GMT — Automatic Pilot Watch42mm
Power Reserve
Expedition Enigmath42h
Guaraguao True GMT — Automatic Pilot Watch
Water Resistance
Expedition Enigmath200m
Guaraguao True GMT — Automatic Pilot Watch300m
MSRP
Expedition Enigmath$599
Guaraguao True GMT — Automatic Pilot Watch$999

Full specifications

Case

6 specs
Category
Tool
Diameter
41mm
42mm
Thickness
12.8mm
11.7mm
Lug-to-Lug
47.5mm
51mm
Lug Width
20mm
22mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
Dial Color
Enigmath Coconino
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039
Miyota 9075
Power Reserve
42h
0h

Pricing

1 specs
MSRP
$599
$999
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

DiscussionNot started
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.