Side by side

Grand Seiko SBGA427vsSeiko Prospex Land Seiko Boutique exclusive model

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

SBGA427
Grand SeikoSBGA427
MSRP $5,800

At a glance

13 of 29 specs differ
Diameter
SBGA42739mm
Prospex Land Seiko Boutique exclusive model38mm
Power Reserve
SBGA42772h
Prospex Land Seiko Boutique exclusive model70h
Water Resistance
SBGA427100m
Prospex Land Seiko Boutique exclusive model200m
MSRP
SBGA427$5,800
Prospex Land Seiko Boutique exclusive model$875

Full specifications

Case

5 specs
Category
Dress
Field
Diameter
39mm
38mm
Thickness
12.3mm
12.9mm
Lug-to-Lug
46.8mm
46.2mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
9R65
6R35
Type
Spring Drive
Automatic
Power Reserve
72h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$5,800
$875

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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 SBGA427

Grand Seiko SBGA427 owners widely praise its extensive Zaratsu polishing and the "hall of mirrors" effect created by its diamond-cut indexes, complemented by a subtle, reeded dial and a striking green seconds hand. The 39mm case is noted for its comfortable, tapered bracelet, and the 9R65 Spring Drive movement is visible through the caseback. Some owners report the highly polished Zaratsu finish is prone to scuffs and scratches, with one mentioning a scratch near 1 o'clock. The Grand Seiko SBGA427 sold for $3750. Overall, owners rate the Grand Seiko SBGA427 highly for its exceptional finishing and the unique visual appeal of its dial and indexes.

Seiko Prospex Land Seiko Boutique exclusive model

The Seiko Prospex Land is widely praised for its attractive and legible tool watch design, offering solid build quality at a fair price. Reviewers note the smooth operation of its internal rotating bezel, while owners highlight the satisfying, smooth, and precise bidirectional bezel action. The steel case is described as having a durable look with decent finishing. On balance, owners and reviewers rate the Seiko Prospex Land highly for its attractive, legible design and solid build quality at a fair price.

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