Side by side

Serica Ref. 5303 Diving ChronometervsNOMOS Glashütte Tangente 38 midnight blue

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

At a glance

20 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Tangente 38 midnight blue37.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Tangente 38 midnight blue53 hoursh
Water Resistance
Ref. 5303 Diving Chronometer300m
Tangente 38 midnight blue50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Tangente 38 midnight blue$2,570

Full specifications

Case

8 specs
Category
Diver
Dress
Diameter
39mm
37.5mm
Thickness
12.2mm
6.7mm
Lug-to-Lug
46.5mm
47.7mm
Lug Width
20mm
19mm
Finish
Brushed and polished
Water Resistance
300m
50m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Enamel Black
Blue
Indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
M100 COSC
DUW 4001
Type
Automatic
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
53 hoursh
Jewels
25
17
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$2,570

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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.

NOMOS Glashütte Tangente 38 midnight blue

NOMOS Glashütte Tangente is widely praised for its simple Bauhaus design, thin and light wearability, and German in-house manual-winding Alpha movement. Owners note the galvanized white silver-plated dial and tempered blue steel hands contribute to its appeal. The 37.5mm case is reported to wear larger than its dimensions, while some find the 35mm size perfect, others feel it lacks immediate appeal and appears "puny" compared to larger watches, though its details are appreciated up close. Overall, owners rate the NOMOS Glashütte Tangente highly for its understated Bauhaus design and comfortable wearability.

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