Side by side

Serica Ref. 5303 Diving ChronometervsSeiko Presage Cocktail Time

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
Presage Cocktail Time
SeikoPresage Cocktail Time
MSRP $625

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Presage Cocktail Time40.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Presage Cocktail Time41h
Water Resistance
Ref. 5303 Diving Chronometer300m
Presage Cocktail Time50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Presage Cocktail Time$625

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
39mm
40.5mm
Thickness
12.2mm
12.8mm
Lug-to-Lug
46.5mm
47.5mm
Water Resistance
300m
50m

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Box
AR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
M100 COSC
4R34
Power Reserve
42h
41h
Jewels
25
24
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$625

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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.

Seiko Presage Cocktail Time

Seiko Presage Cocktail Time owners widely praise its stunning dials and excellent value, noting it looks far more expensive than its price point. One owner highlights the green Mockingbird variant's fantastic dial, index, and hand combination, along with a great crown. However, some owners criticize legibility issues due to dial markers and hands disappearing into the sunburst pattern, and find the stock straps and bracelets too short with limited micro-adjustments. One owner also describes the case as big, round, and somewhat boring. Overall, owners rate the Seiko Presage Cocktail Time highly for its visually striking dials and perceived value, despite some concerns regarding legibility and bracelet fit.

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