Side by side

Serica Ref. 5303 Diving ChronometervsOak & Oscar The Olmsted FEW Edition

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 Olmsted FEW Edition
Oak & OscarThe Olmsted FEW Edition
MSRP $1,775

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
The Olmsted FEW Edition38mm
Power Reserve
Ref. 5303 Diving Chronometer42h
The Olmsted FEW Edition42h
Water Resistance
Ref. 5303 Diving Chronometer300m
The Olmsted FEW Edition100m
MSRP
Ref. 5303 Diving Chronometer$1,768
The Olmsted FEW Edition$1,775

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
39mm
38mm
Thickness
12.2mm
10.8mm
Lug-to-Lug
46.5mm
44.9mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Caseback
Solid
Display

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
Sellita SW300
Beat Rate
28,800 vph
4 vph
Complications
COSC
GMT, Chronograph

Pricing

1 specs
MSRP
$1,768
$1,775

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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 Olmsted FEW Edition

Owners widely praise Oak & Oscar Olmsted for its design, quality, and customer service, with one owner highlighting a personal gift from the brand. The Oak & Oscar Olmsted Matte features a stealthy black ceramic coating on its 38mm case for scratch resistance, a clean sandwich dial with orange accents, and a modified ETA 2892A2 movement regulated in Chicago. It comes with both leather and nylon straps and was initially priced at $1,475, with production limited by the coating process. Overall, owners rate the Oak & Oscar Olmsted highly for its thoughtful design and durable ceramic finish.

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