Side by side

Sinn 717vsOmega Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 717

The Sinn 717 is widely praised for its legible, cockpit-instrument-inspired dial and the functional SZ01 movement with central chronograph minute and second hands. Owners appreciate its solid winding action, crisp button feel, and accurate date changes. Despite its 45mm diameter, the Sinn 717 wears well due to its short lug-to-lug distance and comfortable strap options, and its TEGIMENT-treated black PVD case offers significant scratch resistance. Reviewers highlight its robust build quality and 200m water resistance, noting the innovative bezel sealing. Some community members criticize the blacked-out case aesthetic, and one owner finds the bezel action stiff, which they also see as a positive for preventing accidental turns. On balance, owners and reviewers rate the Sinn 717 highly for its unique legibility, robust construction, and comfortable wearability at its price point.

Omega Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm

Owners widely report the Omega Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm offers excellent finishing and a high-quality bracelet, with some finding it wears smaller than its 44mm size and is suitable for daily wear. However, some find the 44mm size too large and the dial cluttered, while others question its height on the wrist. One owner notes the polished ceramic dial is very reflective. On balance, owners appreciate the Omega Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm for its robust build and finishing, despite some reservations about its size and dial legibility.

At a glance

21 of 29 specs differ
Diameter
71745mm
Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm44mm
Power Reserve
71738h
Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm60h
Water Resistance
717200m
Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm300m
MSRP
717$5,389
Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm$14,000

Full specifications

Case

9 specs
Category
Tool
Diver
Diameter
45mm
44mm
Thickness
15.3mm
17.2mm
Lug-to-Lug
52.8mm
Lug Width
24mm
21mm
Material
Stainless Steel
Steel & Sedna Gold
Finish
bead-blasted
Steel
Water Resistance
200m
300m
Caseback

Crystal & Dial

4 specs
Crystal Shape
Domed
AR Coating
Underside
Indices
Lume
Luminescent
None

Movement

7 specs
Caliber
SINN Movement SZ01
Omega 9900
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
60h
Jewels
28
0
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Chronograph, Date, Pilot's Bezel
Chronograph

Pricing

1 specs
MSRP
$5,389
$14,000
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