Side by side

Phoibos Sea NymphvsSeiko Astron GPS Solar 2025 Limited Edition

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

Sea Nymph
PhoibosSea Nymph
MSRP $240
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

13 of 29 specs differ
Diameter
Sea Nymph36mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Sea Nymph40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Sea Nymph300m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Sea Nymph$240
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
36mm
42mm
Thickness
9.8mm
12mm
Lug-to-Lug
42mm
47.9mm
Lug Width
18mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Super-clear coating
Dial Color
Blue
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
SWISS RONDA 705
3X62
Jewels
25
10

Pricing

1 specs
MSRP
$240
$2,600

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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.

Phoibos Sea Nymph

Owners widely praise the Phoibos Sea Nymph's unique mother-of-pearl dial and distinctive bezel styling, with some finding it a good fit for smaller wrists. The 36mm case size is considered unisex, though some owners find it too small for larger wrists, while others enjoy it as a summer watch. The consensus is that the Phoibos Sea Nymph is a fun, visually interesting watch, with its polarizing bezel design being a key talking point.

From video reviewers

The watch features a double-domed sapphire crystal with anti-reflective coating and a reliable Swiss Ronda 705 quartz movement. Reviewers noted the inclusion of both a leather and a rubber strap.

Seiko Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is widely praised for its advanced GPS time and date adjustment capabilities, powered by light to eliminate battery changes. Owners and reviewers highlight its impressive accuracy and the convenience of automatic time zone updates, with some specifically commending the wearability of the 39mm size and its clean, simple design. However, reception of the GPS signal requires an unobstructed view of the sky, and manual time zone adjustments are necessary for Daylight Saving Time on some variants. One owner notes a slight imperfection in chapter ring alignment on the 39mm model. On balance, owners and reviewers rate the Seiko Astron GPS Solar 2025 Limited Edition highly for its satellite-powered timekeeping and improved wearability in the 39mm configuration.

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