Side by side

Boldr BOLDR x NitecorevsLongines ULTRA-CHRON CLASSIC

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

BOLDR x Nitecore
BoldrBOLDR x Nitecore
MSRP $449
ULTRA-CHRON CLASSIC
LonginesULTRA-CHRON CLASSIC
MSRP $3,900

At a glance

21 of 29 specs differ
Diameter
BOLDR x Nitecore38mm
ULTRA-CHRON CLASSIC37mm
Power Reserve
BOLDR x Nitecore40h
ULTRA-CHRON CLASSIC52h
Water Resistance
BOLDR x Nitecore200m
ULTRA-CHRON CLASSIC50m
MSRP
BOLDR x Nitecore$449
ULTRA-CHRON CLASSIC$3,900

Full specifications

Case

9 specs
Category
Diver
Diameter
38mm
37mm
Thickness
12.8mm
10.95mm
Lug-to-Lug
44mm
44.6mm
Lug Width
20mm
19mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
50m
Caseback
Solid
Screw-down case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Both sides
Dial Color
The Kraken by BOLDR x Nitecore
Silver
Indices
Applied
Applied indexes

Movement

7 specs
Caliber
Seiko NH35A
L836.6
Beat Rate
28,800 vph
36,000 vph
Power Reserve
40h
52h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$449
$3,900

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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.

Longines ULTRA-CHRON CLASSIC

The Longines ULTRA-CHRON CLASSIC is widely praised for its faithful retro design, high-beat 5Hz movement offering greater precision and a smooth seconds hand, and its value proposition as a new 5Hz watch. Reviewers highlight the L836.6 caliber's TimeLab "ultra chronometer" certification for superior accuracy and shock recovery, and owners find the bracelet very comfortable with easy micro-adjust. Some owners note the design appears dated, and one reviewer points out the dial lacks luminescence and water resistance is only 50m. Owners are split on sizing, with some finding the 40mm case wears larger than expected and recommending the 37mm version. Overall, owners and reviewers rate the Longines ULTRA-CHRON CLASSIC highly for its blend of vintage aesthetics, modern high-beat movement performance, and comfortable wearability.

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