Side by side

Seiko Astron GPS Solar 2025 Limited EditionvsYema Rallygraf Meca-Quartz II

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

Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,900
Rallygraf Meca-Quartz II
YemaRallygraf Meca-Quartz II
MSRP $450

At a glance

13 of 29 specs differ
Diameter
Astron GPS Solar 2025 Limited Edition43.4mm
Rallygraf Meca-Quartz II40mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
Rallygraf Meca-Quartz II40h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
Rallygraf Meca-Quartz II50m
MSRP
Astron GPS Solar 2025 Limited Edition$2,900
Rallygraf Meca-Quartz II$450

Full specifications

Case

6 specs
Diameter
43.4mm
40mm
Thickness
13.4mm
11mm
Lug-to-Lug
49.5mm
Lug Width
14mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Dial Color
Black
Panda
Lume
LumiBrite on hands and index(es)
None

Movement

2 specs
Caliber
5X83
Jewels
14
25

Pricing

1 specs
MSRP
$2,900
$450

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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 Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is lauded for its advanced satellite timekeeping and perpetual calendar functionality, offering global time and location updates via GPS signals. Owners appreciate its well-built titanium or steel case, often featuring a ceramic bezel, and the unique asymmetrical design inspired by the 1983 Seiko 7A28 6000. However, its substantial 47mm size and 16.5mm thickness are frequently noted as drawbacks, with some finding it wears large and is difficult to fit under shirt sleeves. The perpetual calendar is limited to displaying only the date, and GPS signal reception requires a clear view of the sky, posing challenges indoors. The watch is priced around $2,900 and is limited to 3,000 pieces. Overall, owners and reviewers value the Seiko Astron GPS Solar 2025 Limited Edition for its cutting-edge technology and distinctive design, despite its considerable dimensions.

Yema Rallygraf Meca-Quartz II

Owners widely praise the Yema Rallygraf Meca-Quartz II for its cool retro 70s vibe, faithful reissue of a thin vintage design, and excellent build quality for its price, with particular commendation for its tactile pushers and top-notch Milanese strap. The watch is noted for its substantial, weighty feel and well-aligned indices, and the Seiko VK64 meca-quartz movement provides a sweeping chronograph hand. However, some owners find the meca-quartz ticking not very smooth, the left subdial a "useless" 24h indicator, and the watch overpriced compared to similar models. Several owners report disappointing alignment issues with indices, and one owner experienced the dial rotating slightly when chronograph pushers are depressed or when adjusting the time, with these issues not resolved during service. On balance, owners rate the Yema Rallygraf Meca-Quartz II highly for its retro styling and perceived value, despite some recurring quality control concerns.

From video reviewers

The watch's vintage-inspired design and value at its price point are consistently praised. The meca-quartz movement is mentioned as a feature by multiple reviewers.

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