Side by side

Oris Big Crown DiamondsvsPraesidus A-5 UDT

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
A-5 UDT
PraesidusA-5 UDT
MSRP $645

At a glance

17 of 29 specs differ
Diameter
Big Crown Diamonds34mm
A-5 UDT38mm
Power Reserve
Big Crown Diamonds42 hoursh
A-5 UDT40h
Water Resistance
Big Crown Diamonds50m
A-5 UDT200m
MSRP
Big Crown Diamonds$3,300
A-5 UDT$645

Full specifications

Case

7 specs
Category
Diver
Diameter
34mm
38mm
Lug Width
17mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Blue
Indices
Applied

Movement

4 specs
Caliber
531
Miyota 9015
Beat Rate
4 vph
28,800 vph
Power Reserve
42 hoursh
40h
Jewels
25

Pricing

1 specs
MSRP
$3,300
$645

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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.

Praesidus A-5 UDT

The Praesidus A-5 UDT is noted for its historically inspired design, featuring an oversized crown cap and chain that pays homage to WW2 canteen watches. Reviewers highlight its functional dial with embossed, Super-LumiNova filled numerals and markers for legibility, alongside 200m water resistance and a 38mm brushed stainless steel case. Some owners find the 11.7mm thickness problematic, describing it as disproportionately tall. The watch's ana/digi functionality and connection to special operations forces are also praised. On balance, owners and reviewers appreciate the Praesidus A-5 UDT for its unique historical design elements and functional dial.

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