Side by side

Sinn 857 S UTCvsZelos Spearfish 3

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

857 S UTC
Sinn857 S UTC
MSRP $3,337
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

17 of 29 specs differ
Diameter
857 S UTC43mm
Spearfish 340mm
Power Reserve
857 S UTC38h
Spearfish 340h
Water Resistance
857 S UTC200m
Spearfish 3200m
MSRP
857 S UTC$3,337
Spearfish 3$749

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
43mm
40mm
Thickness
12mm
11.5mm
Lug-to-Lug
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
black
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Diver - Forged Carbon
Indices
Applied
Lume
Luminescent
None

Movement

3 specs
Caliber
SW330-1
La Joux-Perret G100
Power Reserve
38h
40h
Complications
GMT, Date, Pilot's Bezel
None

Pricing

1 specs
MSRP
$3,337
$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.

Sinn 857 S UTC

Owners widely praise the Sinn 857 S UTC for its Tegiment technology and bracelet. One owner notes a long-held desire for the watch, appreciating its full Sinn feature set. On balance, owners rate the Sinn 857 S UTC highly for its robust Tegimented construction and integrated bracelet.

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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