Side by side

Oris Big Crown DiamondsvsZelos Aurora Moonphase

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

Big Crown Diamonds
OrisBig Crown Diamonds
MSRP $3,300
Aurora Moonphase
ZelosAurora Moonphase
MSRP $949

At a glance

18 of 29 specs differ
Diameter
Big Crown Diamonds34mm
Aurora Moonphase39mm
Power Reserve
Big Crown Diamonds42 hoursh
Aurora Moonphase40h
Water Resistance
Big Crown Diamonds50m
Aurora Moonphase200m
MSRP
Big Crown Diamonds$3,300
Aurora Moonphase$949

Full specifications

Case

9 specs
Category
Moonphase
Diameter
34mm
39mm
Thickness
12.5mm
Lug-to-Lug
39mm
Lug Width
17mm
20mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
50m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Meteorite
Indices
Applied

Movement

4 specs
Caliber
531
Sellita SW288
Beat Rate
4 vph
28,800 vph
Power Reserve
42 hoursh
40h
Jewels
25

Pricing

1 specs
MSRP
$3,300
$949

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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.

Oris Big Crown Diamonds

Owners widely praise the Oris Big Crown Diamonds for its timeless design, vintage charm, and recognizable details like cathedral hands and the pointer date function. Reviewers highlight the stunning gradient dial and the "Bullseye" tuxedo dial as particularly beautiful. The 38mm case is considered versatile, and the watch offers remarkable value. However, some owners note the standard Sellita movement has a short power reserve and plain finishing, and the strap is not durable. A reviewer points out slightly imperfect Super-LumiNova printing on the hour numerals, and one owner finds the two-tone bracelet overly flashy. On balance, owners and reviewers rate the Oris Big Crown Diamonds highly for its unique design and value at its price point.

Zelos Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

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