Side by side

Grand Seiko SLGB023vsSpinnaker Tesei Bronze Swiss

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

SLGB023
Grand SeikoSLGB023
MSRP $12,400
Tesei Bronze Swiss
SpinnakerTesei Bronze Swiss
MSRP $850

At a glance

11 of 29 specs differ
Diameter
SLGB02340.8mm
Tesei Bronze Swiss43mm
Power Reserve
SLGB02372h
Tesei Bronze Swiss40h
Water Resistance
SLGB023300m
Tesei Bronze Swiss300m
MSRP
SLGB023$12,400
Tesei Bronze Swiss$850

Full specifications

Case

5 specs
Diameter
40.8mm
43mm
Thickness
12.9mm
16mm
Lug-to-Lug
48.5mm
52mm
Lug Width
21mm
22mm
Material
Titanium
Bronze

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Green

Movement

3 specs
Caliber
9RB1
Sellita SW200-1
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$12,400
$850

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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.

Spinnaker Tesei Bronze Swiss

Owners praise the Spinnaker Tesei Bronze Swiss for its incredible macro-level detail and sharp design, noting its bronze case, ceramic bezel, and wave dial. The inclusion of a Sellita SW200 Swiss movement is highlighted. One owner expressed a desire for a smaller 39-40mm variant, stating it would be their ultimate bronze diver if such a size were offered. On balance, owners rate the Spinnaker Tesei Bronze Swiss highly for its detailed finishing and bronze diver aesthetic.

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