Side by side

Praesidus Service WatchvsZelos Spearfish 3

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Service Watch
PraesidusService Watch
MSRP $259
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

8 of 29 specs differ
Diameter
Service Watch42mm
Spearfish 340mm
Power Reserve
Service Watch40h
Spearfish 340h
Water Resistance
Service Watch100m
Spearfish 3200m
MSRP
Service Watch$259
Spearfish 3$749

Full specifications

Case

5 specs
Category
Field
Diver
Diameter
42mm
40mm
Thickness
11.5mm
Lug-to-Lug
40mm
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Green
Diver - Forged Carbon

Movement

1 specs
Caliber
Seiko NH35
La Joux-Perret G100

Pricing

1 specs
MSRP
$259
$749

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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.

Praesidus Service Watch

Owners widely praise the Praesidus Service Watch for its 38mm size and solid build quality, with the domed crystal providing vintage distortion and the unbranded dial appealing to history enthusiasts. However, owners report jumpy hand sensitivity when setting the time. One owner experienced a scratchy crown and a noisy rotor on their DD-45, which persisted after warranty service and eventually led to the crown locking mid-way. Concerns about slow customer service and a negative reputation for Praesidus's support are also noted by owners. On balance, owners appreciate the vintage aesthetic and wearability of the Praesidus Service Watch, though persistent customer service issues temper enthusiasm.

From video reviewers

The 38mm case size is a strength for those preferring smaller watches. The dial may show slight discoloration or unevenness in finish.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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