Side by side

Grand Seiko SBGH349vsLongines PrimaLuna

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

SBGH349
Grand SeikoSBGH349
MSRP $7,800
PrimaLuna
LonginesPrimaLuna
MSRP $2,950

At a glance

21 of 29 specs differ
Diameter
SBGH34940mm
PrimaLuna34mm
Power Reserve
SBGH34955h
PrimaLuna72h
Water Resistance
SBGH349100m
PrimaLuna30m
MSRP
SBGH349$7,800
PrimaLuna$2,950

Full specifications

Case

8 specs
Diameter
40mm
34mm
Thickness
13mm
11.6mm
Lug-to-Lug
46.6mm
41mm
Lug Width
20mm
8mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Both sides
Dial Color
Black
Blue
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
9S85
L899.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
55h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date, Moon phase display at 6 o'clock

Pricing

1 specs
MSRP
$7,800
$2,950

Follow this matchup

Get a note when Grand Seiko SBGH349 vs Longines PrimaLuna gets more votes, a community discussion, or a price drop. No account needed.

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 SBGH349

The Grand Seiko SBGH349 "Icefall" is widely praised for its stunning, deeply finished light blue dial, sharp case lines, and lightweight 40mm titanium construction. Owners and reviewers consistently highlight its understated, over-engineered finishing and practical yet obsessive build, making it suitable for daily wear and special occasions. The 13mm thickness is noted to work well with the 40mm case size, softened by the titanium material. The watch houses the automatic hi-beat 9S85 movement, offering a 55-hour power reserve and magnetic resistance of 4,800 A/m, with accuracy rated at +5 to -3 seconds per day. One reviewer notes that while the five-row bracelet is visually impressive, its clasp lacks micro-adjustability. The Grand Seiko SBGH349 is priced at $7,400 or €8,000. Overall, owners and reviewers rate the Grand Seiko SBGH349 highly for its exceptional finishing and comfortable, lightweight titanium build.

Longines PrimaLuna

Owners widely praise the Longines PrimaLuna for its stylish, understated design and comfortable 26.5mm and 34mm case sizes, with some preferring the quartz for its lower maintenance and others the automatic for its craftsmanship. The automatic movement, an L899.5 or Caliber L899, offers a 72-hour power reserve and exhibits consistent accuracy averaging a loss of 1.3 seconds per day in testing, though it runs 3-4 seconds slower on the wrist. The redesigned collection features a curvier case with contemporary lug integration and is available in steel or bi-metal. On balance, owners and reviewers appreciate the Longines PrimaLuna for its elegant styling and reliable automatic movement, though some find its brand prestige and design less compelling compared to certain luxury alternatives.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.