Side by side

Serica Ref. 5303 Diving ChronometervsSeiko Presage Classic Series “Craftsmanship” Urushi Lacquer Dial

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

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Presage Classic Series “Craftsmanship” Urushi Lacquer Dial40.2mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Presage Classic Series “Craftsmanship” Urushi Lacquer Dial72h
Water Resistance
Ref. 5303 Diving Chronometer300m
Presage Classic Series “Craftsmanship” Urushi Lacquer Dial100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Presage Classic Series “Craftsmanship” Urushi Lacquer Dial$1,650

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
39mm
40.2mm
Thickness
12.2mm
12.1mm
Lug-to-Lug
46.5mm
48mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
M100 COSC
6R5H
Power Reserve
42h
72h
Jewels
25
24
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$1,650

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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 Classic Series “Craftsmanship” Urushi Lacquer Dial

Owners and reviewers widely praise the Seiko Presage Classic Series “Craftsmanship” Urushi Lacquer Dial for its stunning, inky black urushi lacquer dial, noting its deep visual depth and soft sheen with gold accents or Roman numerals. The 40.2mm stainless steel case, rated for 100 meters of water resistance, is considered classy and elegant, with one owner appreciating the interplay of light on the dial's textured hands and glossy second hand. The 72-hour power reserve of the 6R5H or 6R54 movement is a consistent highlight, and the accessible price point is frequently mentioned. Some owners note visible pores on the white logo and Roman numerals, and visible scratches from polishing in bright light, while one reviewer flags the GMT function's dial setting as slightly wonky. Accuracy is rated at +25 to -15 seconds per day by multiple sources.

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