Side by side

Serica Ref. 5303 Diving ChronometervsHELM Togiak Expedition UTC

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
Togiak Expedition UTC
HELMTogiak Expedition UTC
MSRP $380

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Togiak Expedition UTC42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Togiak Expedition UTC40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Togiak Expedition UTC200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Togiak Expedition UTC$380

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
39mm
42mm
Thickness
12.2mm
14mm
Lug-to-Lug
46.5mm
49mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Enamel Black
Black

Movement

4 specs
Caliber
M100 COSC
Seiko Instruments NH34
Power Reserve
42h
40h
Jewels
25
24
Complications
COSC
GMT, Date

Pricing

1 specs
MSRP
$1,768
$380

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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.

HELM Togiak Expedition UTC

The HELM Togiak Expedition UTC is widely praised for its unique design and excellent lume, with owners appreciating its lightweight titanium case and 200m ISO 6425 capability. Some owners note that its 42mm diameter wears smaller than expected, while others find the size and weight potentially unsuitable for smaller wrists, and the stock bracelet or strap uncomfortable. On balance, owners rate the HELM Togiak Expedition UTC highly for its distinctive design and robust build at its price point.

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