Side by side

Serica Ref. 5303 Diving ChronometervsOak & Oscar The Atwood

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

Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
The Atwood
Oak & OscarThe Atwood
MSRP $2,650

At a glance

16 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
The Atwood39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
The Atwood58 hoursh
Water Resistance
Ref. 5303 Diving Chronometer300m
The Atwood50m
MSRP
Ref. 5303 Diving Chronometer$1,768
The Atwood$2,650

Full specifications

Case

6 specs
Category
Diver
Chronograph
Thickness
12.2mm
12.9mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
AR Coating
Yes
Underside
Dial Color
Enamel Black
White

Movement

6 specs
Caliber
M100 COSC
Sellita AMT5100M
Type
Automatic
Manual
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
58 hoursh
Jewels
25
23
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$2,650

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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.

Serica Ref. 5303 Diving Chronometer

Owners widely praise the Serica Ref. 5303 Diving Chronometer for its excellent wearability, definitive style, and smooth, confident bezel action. The dual scale on the bezel is noted as surprisingly useful, and the crown action, winding, and hacking are reported to work perfectly. One owner describes the Serica 5303-3 as gorgeous and unique, though another notes the crown can appear comically large. On balance, owners rate the Serica Ref. 5303 Diving Chronometer highly for its blend of unique design and robust functionality.

Oak & Oscar The Atwood

Oak & Oscar The Atwood is widely praised for its 39mm size and clean design, with reviewers highlighting the powdery matte sandwich dial and smooth pusher action. The manual-wind Sellita AMT5100M flyback chronograph movement is noted for its blued column wheel. Some reviewers would prefer contrasting case finishes, but the fully brushed finish and drilled lug holes contribute to its tool watch feel. Overall, owners and reviewers rate Oak & Oscar The Atwood highly for its excellent value and compact, tool-watch aesthetic.

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