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Matthew Mercury Watches ÆTernum Automatic vs Thomas Earnshaw Olive Gem

The Sensei's verdict

ÆTernum Automatic 31 Olive Gem

The Olive Gem is the value play at $480 ($319 less), while the ÆTernum Automatic wears smaller at 41 mm. Tighter budget → the Olive Gem; otherwise the ÆTernum Automatic is the pick.

Verdict & value

6.5
Sensei Score
$799
Price
$319 less$480
Originality

Movement

Type
Calibre
Tier
Power reserve

Case & on the wrist

41 mm
Diameter
43 mm
Lug-to-lug
53 mm
8 mm8.0 mm thinner
Thickness
16 mm
100 m
Water resistance
1 m
316L Stainless Steel
Case material
stainless steel

Dial, crystal & details

black
Dial
green
Sapphire
Crystal
Mineral
Yes (luminescent)
Lume
Yes (Japan luminous)
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