Side by side

Serica Ref. 5303 Diving ChronometervsGrand Seiko SBGR261

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
SBGR261
Grand SeikoSBGR261
MSRP $4,900

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
SBGR26139.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
SBGR26172h
Water Resistance
Ref. 5303 Diving Chronometer300m
SBGR26130m
MSRP
Ref. 5303 Diving Chronometer$1,768
SBGR261$4,900

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
39mm
39.5mm
Thickness
12.2mm
13.1mm
Lug-to-Lug
46.5mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
300m
30m

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
9S65
Power Reserve
42h
72h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$4,900

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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 SBGR261

Grand Seiko SBGR261 owners praise its perfect 39.5mm dimensions, beautiful cream lacquered dial with a silver date disc, and blued second hand, noting the excellent finishing for its price point and its suitability for formal events. Some find the design too safe and the cream dial with leather strap less appealing, while others flag its over 13mm thickness as too tall for a dress watch. The movement finishing is described as rudimentary, though the 9S65 automatic is considered well-made and a terrific value. Overall, owners rate the Grand Seiko SBGR261 highly for its classic design and excellent finishing at its price.

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