Side by side

Grand Seiko SLGB023vsYema Superman Heritage GMT Bronze

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

SLGB023
Grand SeikoSLGB023
MSRP $12,400
Superman Heritage GMT Bronze
YemaSuperman Heritage GMT Bronze
MSRP $1,499

At a glance

13 of 29 specs differ
Diameter
SLGB02340.8mm
Superman Heritage GMT Bronze39mm
Power Reserve
SLGB02372h
Superman Heritage GMT Bronze40h
Water Resistance
SLGB023300m
Superman Heritage GMT Bronze300m
MSRP
SLGB023$12,400
Superman Heritage GMT Bronze$1,499

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40.8mm
39mm
Thickness
12.9mm
11.7mm
Lug-to-Lug
48.5mm
Lug Width
21mm
19mm
Material
Titanium
Bronze

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Bronze

Movement

3 specs
Caliber
9RB1
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$12,400
$1,499

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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.

Grand Seiko SLGB023

Owners and reviewers widely praise the Grand Seiko SLGB023 for its comfortable 40.8mm titanium case and the smooth winding feel of its Spring Drive 9RB1 movement. The dial's gradient blue "ushio" motif is a highlight, though some reviewers note the bezel's fully lumed scale as a missed opportunity. Enthusiasts are divided on the power reserve indicator's placement and the design of the hour and minute hands. Overall, owners and reviewers rate the Grand Seiko SLGB023 highly for its comfortable titanium case and the refined Spring Drive movement.

Yema Superman Heritage GMT Bronze

The Yema Superman Heritage GMT Bronze is widely praised for its comfortable 39mm wearability and the value it offers, featuring an in-house GMT movement and bronze case. Owners and reviewers highlight the firm 120-click bezel, the impressive gilt markers and gradient dial, and the exceptionally soft and comfortable vintage leather strap. Some prefer a ceramic insert over aluminum, and one owner noted the bracelet clasp was stiff initially. The lume on the hands appears pale compared to the dial's richer coloration, and the bezel lock may not sit perfectly centered. The Yema Superman Heritage GMT Bronze is considered a bargain, with pricing noted around 700-750 Euros. On balance, owners and reviewers rate the Yema Superman Heritage GMT Bronze highly for its exceptional value and comfortable wearability.

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