Side by side

Serica Ref. 5303 Diving ChronometervsGruppo Gamma Peacemaker Bronze Manual

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 Manual
Gruppo GammaPeacemaker Bronze Manual
MSRP $1,120

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Peacemaker Bronze Manual43mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Peacemaker Bronze Manual45h
Water Resistance
Ref. 5303 Diving Chronometer300m
Peacemaker Bronze Manual200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Peacemaker Bronze Manual$1,120

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

4 specs
Caliber
M100 COSC
Sellita SW219-1
Type
Automatic
Manual
Power Reserve
42h
45h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$1,120

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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 Manual

Owners praise the Gruppo Gamma Peacemaker Bronze Manual for its character, with specific mentions of the dégradé green sandwich dial, matte black sandwich dial, and box-shaped sapphire crystal. The hand-wound ETA 6497-1 movement is described as a "dream" to wind, and one owner notes the Miyota 8N33 movement keeps outstanding time. The watch offers 200m water resistance and comes on a rubber or custom rally strap. Accuracy figures range from outstanding to +/-12 seconds per day with Sellita SW219-1 or ETA 6497-1 movements. On balance, owners rate the Gruppo Gamma Peacemaker Bronze Manual highly for its unique dial designs and the satisfying winding experience of its manual-wind movements.

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