Side by side

Serica Ref. 5303 Diving ChronometervsSpinnaker Croft

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
Croft
SpinnakerCroft
MSRP $219

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Croft40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Croft40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Croft150m
MSRP
Ref. 5303 Diving Chronometer$1,768
Croft$219

Full specifications

Case

5 specs
Diameter
39mm
40mm
Thickness
12.2mm
14mm
Lug-to-Lug
46.5mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Elemental
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
$219

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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 Croft

Owners and reviewers widely praise the Spinnaker Croft for its vibrant dial colors, chunky hands and bezel, and overall value, with one owner noting the Miyota 8218 movement and cyclops as appreciated features. Reviewers flag the bracelet and clasp as budget-friendly limitations, citing friction-fit pins, sharp edges, and a stiff security lock. On balance, owners and reviewers rate the Spinnaker Croft highly for its accessible skeletonized dive watch aesthetic and appealing design at its price point.

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