Side by side

Dan Henry 1975vsBoldr Expedition Enigmath

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

1975
Dan Henry1975
MSRP $310
Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599

At a glance

12 of 29 specs differ
Diameter
197539mm
Expedition Enigmath41mm
Power Reserve
197540h
Expedition Enigmath42h
Water Resistance
1975150m
Expedition Enigmath200m
MSRP
1975$310
Expedition Enigmath$599

Full specifications

Case

6 specs
Category
Diver
Tool
Diameter
39mm
41mm
Thickness
10.5mm
12.8mm
Lug-to-Lug
42mm
47.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
150m
200m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$310
$599

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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.

Dan Henry 1975

Owners and reviewers praise the Dan Henry 1975 for its excellent value, retro styling, attractive dial with orange accents, and thin, wearable case. The bubble crystal is a highlight, though some find the lume weak. The Miyota 9015 movement offers hacking seconds and a 42-hour power reserve, with accuracy reported between -10/+30 seconds per day. The push-pull crown means it is not a true diver, and the black sapphire bezel can wash out in certain light. Overall, owners and reviewers rate the Dan Henry 1975 highly for its retro charm and superb value.

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.

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