Side by side

Serica Ref. 5303 Diving ChronometervsDan Henry 1945

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
1945
Dan Henry1945
MSRP $300

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
194541.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
194540h
Water Resistance
Ref. 5303 Diving Chronometer300m
1945
MSRP
Ref. 5303 Diving Chronometer$1,768
1945$300

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
39mm
41.5mm
Thickness
12.2mm
13.8mm
Lug-to-Lug
46.5mm
48.7mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$300

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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.

Dan Henry 1945

Owners and reviewers widely praise the Dan Henry 1945 for its rugged WW2-era pilot watch aesthetic and affordable price, with many appreciating its vintage hands and smooth chronograph sweep from the Miyota 6S20 meca-quartz movement. However, some find the 41.5mm case too large and the dial overly busy with subdials and scales, and note its 13.8mm thickness is substantial for a quartz chronograph. On balance, the consensus is that the Dan Henry 1945 offers significant vintage style and value for its price, despite some reservations about its dial layout and dimensions.

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