Side by side

Seiko 5 Sports Field seriesvsZelos Aurora Moonphase

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

5 Sports Field series
Seiko5 Sports Field series
MSRP $450
Aurora Moonphase
ZelosAurora Moonphase
MSRP $949

At a glance

14 of 29 specs differ
Diameter
5 Sports Field series39.4mm
Aurora Moonphase39mm
Power Reserve
5 Sports Field series41h
Aurora Moonphase40h
Water Resistance
5 Sports Field series100m
Aurora Moonphase200m
MSRP
5 Sports Field series$450
Aurora Moonphase$949

Full specifications

Case

6 specs
Category
GMT
Moonphase
Diameter
39.4mm
39mm
Thickness
13.6mm
12.5mm
Lug-to-Lug
47.9mm
39mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
Flat
Dial Color
Black
Meteorite
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
4R34
Sellita SW288
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$450
$949

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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 5 Sports Field series

The Seiko 5 Sports Field series offers an accessible explorer-style watch with a 41mm stainless steel case, 100m water resistance, and a Hardlex crystal. The Field GMT model features a caller GMT complication powered by the 4R34 movement, while the standard Field models use the 4R36 with a 41-hour power reserve. Both models include Arabic numerals coated in LumiBrite and a lumed pearl on the bezel. On balance, the Seiko 5 Sports Field GMT is a well-regarded entry-level explorer watch for its price point, despite its office-style GMT function.

From video reviewers

The prominent five-sided GMT hand enhances legibility and adds a sophisticated aesthetic to the watch. The Seiko 5 Sports Field series offers similar functionality to the Explorer 2 at a lower price, making it a valuable option. Reviewers disagree on whether it's a missed opportunity for Seiko to release this model first, with one reviewer implying it would have been a more logical addition to their lineup.

Zelos Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

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