Versus
Thomas Earnshaw Black Sapphire vs Thomas Earnshaw Castling Green
The Sensei's verdict
Black Sapphire 1—2 Castling Green
The Castling Green is the value play at $229 ($101 less), while the Black Sapphire wears smaller at 38 mm. The Castling Green is the pick.
Verdict & value
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Sensei Score
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$330
Price
$101 less$229
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Originality
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Movement
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Type
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Calibre
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Tier
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Power reserve
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Case & on the wrist
38 mm
Diameter
42 mm
47 mm
Lug-to-lug
50 mm
13 mm2.0 mm thinner
Thickness
15 mm
10 m
Water resistance
100 m
stainless steel
Case material
stainless steel
Dial, crystal & details
black
Dial
green
Sapphire
Crystal
Sapphire
Yes (Japan luminous)
Lume
Yes (Japan luminous)