Side by side

Serica Ref. 8315 Travel ChronometervsBaltic Prismic Stone

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

Ref. 8315 Travel Chronometer
SericaRef. 8315 Travel Chronometer
MSRP $2,479
Prismic Stone
BalticPrismic Stone
MSRP $1,404

At a glance

12 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Prismic Stone36mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Prismic Stone50h
Water Resistance
Ref. 8315 Travel Chronometer200m
Prismic Stone30m
MSRP
Ref. 8315 Travel Chronometer$2,479
Prismic Stone$1,404

Full specifications

Case

5 specs
Category
GMT
Dress
Diameter
39mm
36mm
Thickness
12.3mm
9.2mm
Lug-to-Lug
46.5mm
44mm
Water Resistance
200m
30m

Crystal & Dial

2 specs
Dial Color
GMT - Enamel Black
Bloodstone
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
SOPROD C125 COSC
La Joux-Perret D100
Type
Automatic
Manual
Power Reserve
42h
50h
Complications
GMT, COSC
None

Pricing

1 specs
MSRP
$2,479
$1,404

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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.

Serica Ref. 8315 Travel Chronometer

Serica Ref. 8315 Travel Chronometer owners and reviewers praise its neo-vintage aesthetic, comfortable 39mm size, and unique day/night bezel design. Some find the lack of a date function a drawback, and the mirrored 12-hour bezel with AM/PM text is considered less practical than a traditional 24-hour bezel for time zone reading, with the lollipop-style 24-hour hand and asymmetrical bezel design also noted as potentially confusing. The watch is powered by a COSC-certified Soprod C125 movement with a 40-hour power reserve. One owner noted import duties and that the strap's aggressive taper required using the last hole for a proper fit. On balance, Serica Ref. 8315 Travel Chronometer is appreciated for its distinctive design and wearability, though its GMT functionality and bezel design are points of contention for some.

Baltic Prismic Stone

Owners and reviewers widely praise the Baltic Prismic Stone for its striking and unique natural stone dials, with specific mentions of the bloodstone and red agate variants being highlights. The watch is noted for its refined, retro dress watch aesthetic, featuring a well-finished 36mm bi-metal case combining stainless steel and titanium, and a slim profile measuring 9.2mm or 9.5mm thick. The hand-wound movement, either an ETA Peseux 7001 or a La Joux-Perret D100, is generally seen as reliable, offering a 42-hour or 50-hour power reserve respectively. However, some owners find the collection overpriced and the small, recessed crown uncomfortable for winding. The Milanese bracelet is also a point of contention, with some finding it may not articulate well for smaller wrists. Accuracy figures vary, with one owner reporting +1/+2 seconds per day and another around -6 seconds per day.

From video reviewers

The unique natural stone dials are a standout feature of the Baltic Prismic Stone. The slim 9mm case, constructed from stainless steel and Grade 5 titanium, is also a notable aspect. However, some buyers may find the price of €1,300 to be a trade-off, considering the watch's Swiss movement and slim profile may not justify the cost compared to competitors.

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