Side by side

Serica Ref. 5303 Diving ChronometervsCitizen Promaster Fujitsubo

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
Promaster Fujitsubo
CitizenPromaster Fujitsubo
MSRP $1,195

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Promaster Fujitsubo41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Promaster Fujitsubo42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Promaster Fujitsubo200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Promaster Fujitsubo$1,195

Full specifications

Case

5 specs
Diameter
39mm
41mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
Super Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Blue
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
M100 COSC
9051
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$1,195

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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.

Citizen Promaster Fujitsubo

Owners widely praise the Citizen Promaster Fujitsubo for its compact size, light weight, and muted blue dial, with many appreciating the block hour hands for legibility and its classic, tough design. The watch is noted for its 1970s heritage, titanium case and bracelet, sapphire crystal, and smoother, higher frequency automatic movement. However, some owners find the Mercedes hands distracting, the bracelet chunky with male end links, and the winding action uninspiring, with one describing the bezel as plastic-like and the overall feel as cheap. The Citizen Promaster Fujitsubo is considered by some to offer incredible value and a worry-free beater watch, though others feel it is overpriced at full retail. Overall, owners rate the Citizen Promaster Fujitsubo highly for its comfortable wearability and classic aesthetic at its price point.

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