Side by side

Boldr Expedition EnigmathvsYema Navygraf Heritage

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

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
Navygraf Heritage
YemaNavygraf Heritage
MSRP $990

At a glance

13 of 29 specs differ
Diameter
Expedition Enigmath41mm
Navygraf Heritage39mm
Power Reserve
Expedition Enigmath42h
Navygraf Heritage40h
Water Resistance
Expedition Enigmath200m
Navygraf Heritage100m
MSRP
Expedition Enigmath$599
Navygraf Heritage$990

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
41mm
39mm
Thickness
12.8mm
10.85mm
Lug-to-Lug
47.5mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9039,
Sellita SW200
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$599
$990

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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 Navygraf Heritage

Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful 1970s reissue design, noting craftsmanship better than expected. Some owners report quality control issues including bezel free play and misalignment, while others find the bezel very tight to turn despite precise 120 clicks. The in-house MBP2000 movement is noted by some to be loud and run approximately +10 to +15 seconds per day. On balance, owners appreciate the Yema Navygraf Heritage for its retro aesthetic and comfortable sizing, with noted concerns around movement accuracy and bezel action.

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