Side by side

Serica Ref. 5303 Diving ChronometervsGrand Seiko SLGA019

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
SLGA019
Grand SeikoSLGA019
MSRP $11,000

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
SLGA01940mm
Power Reserve
Ref. 5303 Diving Chronometer42h
SLGA019120h
Water Resistance
Ref. 5303 Diving Chronometer300m
SLGA019100m
MSRP
Ref. 5303 Diving Chronometer$1,768
SLGA019$11,000

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
39mm
40mm
Thickness
12.2mm
11.8mm
Lug-to-Lug
46.5mm
47.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
M100 COSC
9RA2
Type
Automatic
Spring Drive
Power Reserve
42h
120h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$11,000

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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.

Grand Seiko SLGA019

Owners and reviewers widely praise the Grand Seiko SLGA019 for its stunning "Minamo" dial, inspired by Lake Suwa, with its intricate texture and finishing. The Evolution 9 case, constructed from lightweight Grade 5 titanium, is lauded for its refinement and comfortable wearability. The 9RA2 Spring Drive movement is noted for exceptional accuracy, with one owner documenting a loss of only 0.5 seconds in a week. However, some criticism is directed at the bracelet's lack of micro-adjustment and its pin-and-collar system, and the movement's finishing is described as somewhat plain. The retail price is also flagged as high. Overall, the consensus is that the Grand Seiko SLGA019 is a highly refined and accurate watch, with its dial and comfortable titanium case being the primary reasons for its strong reception.

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