Which is cheaper, the Oblvlo BLM Trisome or the Seiko Alpinist?

At MSRP the Oblvlo BLM Trisome is the cheaper of the two at $294, against $750 for the Seiko Alpinist — a $456 gap before any retailer discounting.

Which is bigger, the Oblvlo BLM Trisome or the Seiko Alpinist?

The Oblvlo BLM Trisome wears larger at 41mm versus 39.5mm for the Seiko Alpinist — a 1.5mm difference across the dial.

Which has better water resistance, the Oblvlo BLM Trisome or the Seiko Alpinist?

The Oblvlo BLM Trisome is rated to 50m versus 20m for the Seiko Alpinist.

Which has a longer power reserve, the Oblvlo BLM Trisome or the Seiko Alpinist?

The Seiko Alpinist carries a 70-hour power reserve against 42 hours on the Oblvlo BLM Trisome.

What movement does the Oblvlo BLM Trisome run compared to the Seiko Alpinist?

Both watches run automatic movements — the Oblvlo BLM Trisome uses the Miyota 8215 and the Seiko Alpinist uses the 6R35.

Side by side

Oblvlo BLM TrisomevsSeiko Alpinist

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

Oblvlo BLM Trisome

BLM-TRISOME

MSRP $294

Seiko Alpinist

spb117j1

MSRP $750

At a glance

11 of 29 specs differ

Diameter

BLM Trisome41mm

Alpinist39.5mm

Power Reserve

BLM Trisome42h

Alpinist70h

Water Resistance

BLM Trisome50m

Alpinist200m

MSRP

BLM Trisome$294

Alpinist$750

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 8215

6R35

Power Reserve

42h

70h

Jewels

Pricing

1 specs

MSRP

$294

$750

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Oblvlo BLM TrisomevsSeiko Alpinist

At a glance

Full specifications

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