Side by side

Serica Ref. 5303 Diving ChronometervsSugess Seestern 62MAS V3

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
Seestern 62MAS V3
SugessSeestern 62MAS V3
MSRP $199

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Seestern 62MAS V339mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Seestern 62MAS V340h
Water Resistance
Ref. 5303 Diving Chronometer300m
Seestern 62MAS V3200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Seestern 62MAS V3$199

Full specifications

Case

3 specs
Thickness
12.2mm
13.5mm
Lug-to-Lug
46.5mm
46.2mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
Tritium

Movement

4 specs
Caliber
M100 COSC
Seiko NH35
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
40h
Complications
COSC
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$1,768
$199

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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.

Sugess Seestern 62MAS V3

Owners widely praise the Sugess Seestern 62MAS V3 for its comfortable 38mm size, excellent finishing, and impressive lume, with many noting its great value for money. The watch features a full lume ceramic bezel insert and a high-quality bracelet with solid links and a milled clasp. Some owners report minor issues such as bezel misalignment or backplay, a slightly wide bezel, and a fully reflective bezel insert that can clash with the crystal, while others mention unevenness on the backside of the crystal causing secondary reflections or a "milky ring." On balance, owners rate the Sugess Seestern 62MAS V3 highly for its compact size, excellent finishing, and value.

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