Side by side

Oris Aquis Date Calibre 400vsZelos Hammerhead (Tantalum LE)

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

Aquis Date Calibre 400
OrisAquis Date Calibre 400
MSRP $5,150
Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499

At a glance

17 of 29 specs differ
Diameter
Aquis Date Calibre 40041.5mm
Hammerhead (Tantalum LE)44mm
Power Reserve
Aquis Date Calibre 400120 hoursh
Hammerhead (Tantalum LE)40h
Water Resistance
Aquis Date Calibre 400300m
Hammerhead (Tantalum LE)300m
MSRP
Aquis Date Calibre 400$5,150
Hammerhead (Tantalum LE)$1,499

Full specifications

Case

6 specs
Diameter
41.5mm
44mm
Thickness
13mm
Lug-to-Lug
44mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
CALIBRE 400
Seiko NH35
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
40h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$5,150
$1,499

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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 Aquis Date Calibre 400

The Oris Aquis Date Calibre 400 is widely lauded for its exclusive in-house movement, offering a five-day power reserve, 10-year warranty, and 10-year service interval. Reviewers and owners praise its impressive accuracy, with figures ranging from under a second per day to seven seconds fast per day. The watch features a refined case with slimmer lugs and an updated dial for improved ergonomics, a patented quick-change system for straps, and a smooth, precise bezel action. Some find the dial can be shiny with glare from the domed crystal. Overall, owners and reviewers rate the Oris Aquis Date Calibre 400 highly for its significant advancements in mechanical watchmaking and value proposition.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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