Side by side

Spinnaker Hull RivieravsZelos Helica Moonphase

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

Hull Riviera
SpinnakerHull Riviera
MSRP $169
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

8 of 29 specs differ
Diameter
Hull Riviera42mm
Helica Moonphase39mm
Power Reserve
Hull Riviera40h
Helica Moonphase40h
Water Resistance
Hull Riviera100m
Helica Moonphase100m
MSRP
Hull Riviera$169
Helica Moonphase$1,049

Full specifications

Case

5 specs
Category
Sport
Moonphase
Diameter
42mm
39mm
Thickness
15mm
10mm
Lug-to-Lug
47.5mm
39mm
Lug Width
22mm
20mm

Crystal & Dial

1 specs
Dial Color
Blue
Meteorite

Movement

1 specs
Caliber
SII NH35A
Sellita SW288 Moonphase

Pricing

1 specs
MSRP
$169
$1,049

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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.

Spinnaker Hull Riviera

Owners praise the Spinnaker Hull Riviera's build quality, highlighting its milled clasp, solid links, and effective anti-reflective coating on the sapphire crystal. The watch features a sandwich dial with Superluminova, measures 42mm in diameter, 12mm thick with a 48mm lug-to-lug span, and uses a Seiko NH35 movement. Accuracy is reported as excellent, with one owner noting a gain of only +2 seconds over seven days. The crystal is noted as being fused to the case, leading to a repair quote of $198 for a cracked crystal, a cost considered excessive by some owners relative to the watch's price. Lume is considered mediocre, and some would have preferred a 4Hz movement. Overall, owners rate the Spinnaker Hull Riviera highly for its robust build and impressive accuracy at its price point.

Zelos Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

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