Side by side

Grand Seiko SLGA015vsSpinnaker Tesei Bronze Swiss

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

SLGA015
Grand SeikoSLGA015
MSRP $12,600
Tesei Bronze Swiss
SpinnakerTesei Bronze Swiss
MSRP $850

At a glance

12 of 29 specs differ
Diameter
SLGA01543.8mm
Tesei Bronze Swiss43mm
Power Reserve
SLGA015120h
Tesei Bronze Swiss40h
Water Resistance
SLGA015200m
Tesei Bronze Swiss300m
MSRP
SLGA015$12,600
Tesei Bronze Swiss$850

Full specifications

Case

6 specs
Diameter
43.8mm
43mm
Thickness
13.8mm
16mm
Lug-to-Lug
51.5mm
52mm
Lug Width
23mm
22mm
Material
Titanium
Bronze
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Green

Movement

3 specs
Caliber
9RA5
Sellita SW200-1
Type
Spring Drive
Automatic
Power Reserve
120h
40h

Pricing

1 specs
MSRP
$12,600
$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 SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

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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