Side by side

Boldr BOLDR x NitecorevsGrand Seiko SBGA427

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

BOLDR x Nitecore
BoldrBOLDR x Nitecore
MSRP $449
SBGA427
Grand SeikoSBGA427
MSRP $5,800

At a glance

13 of 29 specs differ
Diameter
BOLDR x Nitecore38mm
SBGA42739mm
Power Reserve
BOLDR x Nitecore40h
SBGA42772h
Water Resistance
BOLDR x Nitecore200m
SBGA427100m
MSRP
BOLDR x Nitecore$449
SBGA427$5,800

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
38mm
39mm
Thickness
12.8mm
12.3mm
Lug-to-Lug
44mm
46.8mm
Lug Width
20mm
19mm
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
The Kraken by BOLDR x Nitecore
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Seiko NH35A
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$449
$5,800

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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.

BOLDR x Nitecore

BOLDR x Nitecore is widely praised for its lightweight 38mm PVD titanium case, excellent legibility, and perfect sizing. Owners and reviewers highlight the unique, topographical map-inspired dial offering fantastic depth, complemented by color-matched Old-Radium C3 lume and subtle branding. The watch is described as durable and powerfully lumed, with the included Nitecore TIKI torch capable of boosting its glow. On balance, owners and reviewers rate the BOLDR x Nitecore highly for its exceptional lume and distinctive dial design at its price point.

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.

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