Which is cheaper, the Bremont Altitude 39 Date or the Seiko Prospex Land Mechanical?

At MSRP the Seiko Prospex Land Mechanical is the cheaper of the two at $995, against $4,250 for the Bremont Altitude 39 Date — a $3,255 gap before any retailer discounting.

Which is bigger, the Bremont Altitude 39 Date or the Seiko Prospex Land Mechanical?

The Seiko Prospex Land Mechanical wears larger at 39.5mm versus 39mm for the Bremont Altitude 39 Date — a 0.5mm difference across the dial.

Which has better water resistance, the Bremont Altitude 39 Date or the Seiko Prospex Land Mechanical?

The Bremont Altitude 39 Date is rated to 100m versus 20m for the Seiko Prospex Land Mechanical.

Which has a longer power reserve, the Bremont Altitude 39 Date or the Seiko Prospex Land Mechanical?

The Seiko Prospex Land Mechanical carries a 72-hour power reserve against 40 hours on the Bremont Altitude 39 Date.

What movement does the Bremont Altitude 39 Date run compared to the Seiko Prospex Land Mechanical?

Both watches run automatic movements — the Bremont Altitude 39 Date uses the BE-92AE and the Seiko Prospex Land Mechanical uses the 6R55.

Side by side

Bremont Altitude 39 DatevsSeiko Prospex Land Mechanical

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

Bremont Altitude 39 Date

alt39-dt-ss-si-l-s

MSRP $4,250

Seiko Prospex Land Mechanical

spb503j1

MSRP $995

At a glance

13 of 29 specs differ

Diameter

Altitude 39 Date39mm

Prospex Land Mechanical39.5mm

Power Reserve

Altitude 39 Date40h

Prospex Land Mechanical72h

Water Resistance

Altitude 39 Date100m

Prospex Land Mechanical200m

MSRP

Altitude 39 Date$4,250

Prospex Land Mechanical$995

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Silver

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

BE-92AE

6R55

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$4,250

$995

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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.

Bremont Altitude 39 Date

Owners and reviewers widely praise the Bremont Altitude 39 Date as a sleek, legible, and everyday-suited pilot's watch, noting its comfortable 39mm 904L steel case and clean dial design. The La Joux-Perret G100 movement is recognized for its 68-hour power reserve and smooth winding feel. Some owners note the bracelet lacks micro-adjustments. On balance, the consensus is that the Bremont Altitude 39 Date is highly regarded for its refined finishing and wearability at 39mm.

Seiko Prospex Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, useful day-date complication, and value, with some finding it suitable as a one-watch-for-all-occasions. Accuracy and durability are noted as strengths, with one owner reporting good performance even in water submersion. However, multiple owners criticize its size, with figures around 41mm to 43mm and 14.4mm thickness being flagged as too large and thick for smaller wrists. The Hardlex crystal and a potentially loose inner compass bezel are also points of criticism. On balance, owners rate the Seiko Prospex Land Mechanical highly for its unique style and value, despite concerns over its substantial dimensions.

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