Side by side

Seiko AlpinistvsZelos Helica Moonphase

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

Alpinist
SeikoAlpinist
MSRP $750
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

13 of 29 specs differ
Diameter
Alpinist39.5mm
Helica Moonphase39mm
Power Reserve
Alpinist70h
Helica Moonphase40h
Water Resistance
Alpinist200m
Helica Moonphase100m
MSRP
Alpinist$750
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
Field
Moonphase
Diameter
39.5mm
39mm
Thickness
13.2mm
10mm
Lug-to-Lug
46.4mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Meteorite
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
6R35
Sellita SW288 Moonphase
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$750
$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.

Seiko Alpinist

Owners widely praise the Seiko Prospex Land Mechanical for its durability, accuracy, and value, with many appreciating its versatile style and useful day-date complication. Some owners highlight the 70-hour power reserve and 20 bar water resistance as significant benefits. However, opinions are divided on its size and thickness, with some finding it too large and heavy for a field watch, while others consider it a perfect or comfortable fit, especially at 38mm. There is also disagreement regarding the crystal type, with some criticizing the Hardlex while others appreciate the sapphire. Overall, owners rate the Seiko Prospex Land Mechanical highly for its robust performance and good value, despite differing views on its dimensions.

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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