Side by side

Sartory Billard SB05vsZelos Spearfish GMT

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

Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

11 of 29 specs differ
Diameter
SB0538.5mm
Spearfish GMT40mm
Power Reserve
SB0590h
Spearfish GMT40h
Water Resistance
SB0550m
Spearfish GMT200m
MSRP
SB05
Spearfish GMT$999

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
38.5mm
40mm
Thickness
8.5mm
13mm
Lug-to-Lug
45.5mm
40mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
Dial Color
Black
Frost

Movement

3 specs
Caliber
LJP Cal. 7380
Sellita SW330-2
Type
Manual
Automatic
Power Reserve
90h
40h

Pricing

1 specs
MSRP
$999

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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.

Sartory Billard SB05

The dial's Maki-e Raden and aventurine combination is a standout feature. The 38.5mm case size and slim profile are noted for comfort.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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