Side by side

Serica Ref. 5303 Diving ChronometervsGruppo Gamma Peacemaker Bronze

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
Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Peacemaker Bronze43mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Peacemaker Bronze42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Peacemaker Bronze200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Peacemaker Bronze$990

Full specifications

Case

6 specs
Diameter
39mm
43mm
Thickness
12.2mm
13mm
Lug-to-Lug
46.5mm
52.5mm
Lug Width
20mm
24mm
Material
Stainless Steel
Bronze
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Enamel Black
Fume Green

Movement

3 specs
Caliber
M100 COSC
ETA 2824-2
Power Reserve
42h
42h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$990

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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.

Gruppo Gamma Peacemaker Bronze

Owners widely praise the Gruppo Gamma Peacemaker Bronze for its strong vintage aesthetic, featuring attractive sandwich dials and high-domed or box-shaped sapphire crystals. The bronze case is noted for developing patina and the watch is generally considered a good value. Accuracy figures vary, with one report of approximately +10 seconds per day and others stating +/-12 seconds per day. Power reserves range from 38 to 45 hours depending on the movement. One owner describes the winding action as a "dream." On balance, owners consider the Gruppo Gamma Peacemaker Bronze a well-built watch offering significant vintage appeal and value.

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