Side by side

Serica Ref. 5303 Diving ChronometervsBremont Terra Nova 40.5

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
Terra Nova 40.5
BremontTerra Nova 40.5
MSRP $3,250

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Terra Nova 40.540.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Terra Nova 40.540h
Water Resistance
Ref. 5303 Diving Chronometer300m
Terra Nova 40.5100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Terra Nova 40.5$3,250

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
39mm
40.5mm
Thickness
12.2mm
11.11mm
Lug-to-Lug
46.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Green
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
ENG300
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$3,250

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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.

Bremont Terra Nova 40.5

The Bremont Terra Nova 40.5 Date Bronze is highlighted for its CuAl7Si2 bronze alloy case, which provides a warm, luxurious appearance and develops a gradual patina. It includes a gradient green dial with prominent Super-LumiNova numerals and a 40.5mm diameter. The watch is powered by the caliber BE-36AE, offering a 38-hour power reserve and 100m water resistance. The Bremont Terra Nova 38, a time-only field watch, features a 904L stainless steel case and vintage-inspired beige Super-LumiNova. Reviewers noted a preference for a screw-down crown and caseback for a field watch. On balance, reviewers praise the Bremont Terra Nova 40.5 Date Bronze for its distinctive bronze case and attractive dial, while noting the Terra Nova 38's utilitarian design and a preference for more robust water-resistance features on a field watch.

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