Side by side

Longines PRIMALUNAvsYema Pearldiver

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

PRIMALUNA
LonginesPRIMALUNA
MSRP $1,700
Pearldiver
YemaPearldiver
MSRP $491

At a glance

22 of 29 specs differ
Diameter
PRIMALUNA30mm
Pearldiver38mm
Power Reserve
PRIMALUNA40h
Pearldiver40h
Water Resistance
PRIMALUNA30m
Pearldiver100m
MSRP
PRIMALUNA$1,700
Pearldiver$491

Full specifications

Case

9 specs
Category
Dress
Diver
Diameter
30mm
38mm
Thickness
8mm
14mm
Lug-to-Lug
37mm
46mm
Lug Width
7mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
30m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Mother of Pearl
Steel
Indices
Diamond indexes
Applied
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
L152.3
Type
Quartz
Automatic
Beat Rate
25,200 vph
28,800 vph
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Hours, minutes, seconds and date
None

Pricing

1 specs
MSRP
$1,700
$491

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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.

Longines PRIMALUNA

Owners widely praise the Longines PRIMALUNA for its attractive style and understated 26.5mm size, with the automatic version favored for its smooth sweep. The redesigned 34mm model features a fluid, polished case, available in steel or bi-metal, with dial options including mother-of-pearl. The automatic movement, Caliber L899, demonstrates consistent accuracy averaging a loss of 1.3 seconds per day across six positions and 3-4 seconds per day on the wrist, performing within COSC standards. The automatic movement offers a 72-hour power reserve. On balance, owners and reviewers highly regard the Longines PRIMALUNA for its blend of classic aesthetics and contemporary design updates, particularly appreciating the automatic movement's performance and the watch's overall stylish appeal.

Yema Pearldiver

Owners widely praise the Yema Pearldiver's vintage aesthetic, clean dial, and sub-40mm dimensions with short lug-to-lug, noting its in-house movement and solid build quality. Accuracy figures range from dead-on at 0 seconds per day to +2 seconds per day, though some owners have reported dead-on-arrival movements requiring returns. The bracelet clasp is described by one owner as "pretty cheap." Some find the design pedestrian and lacking uniqueness, with the faux lume color noted as too dark by one commenter. Overall, owners rate the Yema Pearldiver highly for its vintage appeal and wearable dimensions at the price.

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