Side by side

Serica Ref. 5303 Diving ChronometervsTSAO Baltimore Balt-Pilot Worldtimer DLC Stealth Black

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
Balt-Pilot Worldtimer DLC Stealth Black
TSAO BaltimoreBalt-Pilot Worldtimer DLC Stealth Black
MSRP $700
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.

TSAO Baltimore Balt-Pilot Worldtimer DLC Stealth Black

Owners widely praise the TSAO Baltimore Balt-Pilot Worldtimer DLC Stealth Black for its comfortable grade 2 titanium case, interesting case lines, detailed crowns, and noteworthy rotor finishing, considering it a great value at its $750 price point, especially as a limited edition of 50. Some owners find the legibility of the 24-hour ring and associated text to be difficult. Overall, owners rate the TSAO Baltimore Balt-Pilot Worldtimer DLC Stealth Black highly for its distinctive design and finishing at the price.

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Balt-Pilot Worldtimer DLC Stealth Black40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Balt-Pilot Worldtimer DLC Stealth Black40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Balt-Pilot Worldtimer DLC Stealth Black100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Balt-Pilot Worldtimer DLC Stealth Black$700

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
40mm
Thickness
12.2mm
15mm
Lug-to-Lug
46.5mm
48mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
Seiko NH34
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$700
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