Side by side

Boldr Expedition EnigmathvsYema Pearldiver

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

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
Pearldiver
YemaPearldiver
MSRP $491

At a glance

12 of 29 specs differ
Diameter
Expedition Enigmath41mm
Pearldiver38mm
Power Reserve
Expedition Enigmath42h
Pearldiver40h
Water Resistance
Expedition Enigmath200m
Pearldiver100m
MSRP
Expedition Enigmath$599
Pearldiver$491

Full specifications

Case

6 specs
Category
Tool
Diver
Diameter
41mm
38mm
Thickness
12.8mm
14mm
Lug-to-Lug
47.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enigmath Coconino
Steel
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
$599
$491

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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.

Yema Pearldiver

Owners widely praise the Yema Pearldiver's vintage aesthetic, clean dial, and sub-40mm dimensions with short lug-to-lug, noting its in-house movement and solid build quality. Accuracy figures range from dead-on at 0 seconds per day to +2 seconds per day, though some owners have reported dead-on-arrival movements requiring returns. The bracelet clasp is described by one owner as "pretty cheap." Some find the design pedestrian and lacking uniqueness, with the faux lume color noted as too dark by one commenter. Overall, owners rate the Yema Pearldiver highly for its vintage appeal and wearable dimensions at the price.

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