Side by side

Serica Ref. 5303 Diving ChronometervsMaen Manhattan 40

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
Manhattan 40
MaenManhattan 40
MSRP $799

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Manhattan 4040mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Manhattan 4040h
Water Resistance
Ref. 5303 Diving Chronometer300m
Manhattan 40100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Manhattan 40$799

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
39mm
40mm
Thickness
12.2mm
Lug-to-Lug
46.5mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
M3.1.1
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$799

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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.

Maen Manhattan 40

Owners appreciate the Maen Manhattan 40's thin case and unique dial, with some finding its proportions too large for smaller wrists. One owner noted a snagging crown and difficult winding action. Accuracy figures vary, with one owner reporting +18s/d to +24s/d on the 37mm version, while another owner of the 40mm model did not specify accuracy. On balance, owners and reviewers find the Maen Manhattan 40 to be a good value, with its thinness and dial finishing being key strengths.

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