Side by side

Maen Mahjong 36vsSeiko Astron GPS Solar 2025 Limited Edition

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

Mahjong 36
MaenMahjong 36
MSRP $899
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600

At a glance

15 of 29 specs differ
Diameter
Mahjong 3636mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Mahjong 3640h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Mahjong 3650m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Mahjong 36$899
Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
36mm
42mm
Thickness
11.1mm
12mm
Lug-to-Lug
47.9mm
Lug Width
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Super-clear coating
Dial Color
MHV.03
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9122
3X62
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$899
$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.

Maen Mahjong 36

Owners widely appreciate the Maen Mahjong 36 for its quality and wearability, with some finding the green sunburst dial a subtle and fitting homage to its theme and the price reasonable. However, a segment of the community finds the design too understated for its thematic inspiration, preferring a more pronounced lacquered dial. On balance, owners rate the Maen Mahjong 36 highly for its impressive quality and wearability at its price point.

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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