Side by side

Serica Ref. 5303 Diving ChronometervsSpinnaker Hull Commander

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
Hull Commander
SpinnakerHull Commander
MSRP $520

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Hull Commander42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Hull Commander40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Hull Commander300m
MSRP
Ref. 5303 Diving Chronometer$1,768
Hull Commander$520

Full specifications

Case

5 specs
Diameter
39mm
42mm
Thickness
12.2mm
13.5mm
Lug-to-Lug
46.5mm
49mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
SII NH35A
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$520

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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.

Spinnaker Hull Commander

The Spinnaker Hull Commander is widely praised by owners for its excellent build quality and finishing relative to its sub-$200 price point. Some owners note that watches in the Hull line can be thick. One owner flags that the big date complication on the Chronograph variant is partially obscured by the chronograph hand, and the included leather strap is unsuitable for a 100M water-resistant watch. On balance, owners rate the Spinnaker Hull Commander highly for its exceptional value and robust construction at its price.

From video reviewers

The unique, naturally patterned dial is a significant aesthetic draw. The 42mm case diameter and 50mm lug-to-lug measurement may be large for smaller wrists.

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