Side by side

Maen Mahjong 36vsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

Mahjong 36
MaenMahjong 36
MSRP $899
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

15 of 29 specs differ
Diameter
Mahjong 3636mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Mahjong 3640h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Mahjong 3650m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Mahjong 36$899
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
36mm
42mm
Thickness
11.1mm
12.9mm
Lug-to-Lug
48.6mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
MHV.03
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9122
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$899
$1,500

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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 Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

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