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Home/Browse/San Martin/San Martin NH34 39mm BB GMT SN054
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San Martin San Martin NH34 39mm BB GMT SN054
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San Martin · San Martin NH34 39mm BB GMT SN054

San Martin San Martin NH34 39mm BB GMT SN054

GMT

$269Sold out

Case

Diameter
39mm
Material
Stainless Steel
Water resistance
100m

Crystal & dial

Crystal
Sapphire

Movement

Caliber
Seiko NH34
Type
Automatic

Seiko

A Seiko (TMI / Seiko Instruments) automatic GMT caliber — the export-market designation of the Seiko 4R34 — that adds a 24-hour fourth hand to the NH35 / 4R35 base. It runs at 21,600 vph with about 41 hours of power reserve, hacks and hand-winds, and has become the default affordable GMT for microbrands.

Design language

Case shape
round
Dial style
matte
Bezel
gmt
Bracelet
lug-attached
Hands
baton

AI-detected from the product image

2 colorways

Alternatives

01The market

Market prices.

Retail$269

No forum listings recorded for this watch yet.

02The connection engine

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View all alternatives

03The community take

Owners talk.

“

Owners widely praise the San Martin NH34 39mm BB GMT SN054 for its excellent fit and finish for the price, with many finding the 39mm sizing to be a significant advantage and noting it wears like a Black Bay 58. The watch features crisp dial printing, a radially brushed bezel, and double-domed sapphire with anti-reflective coating, and the potent lume is generously applied. Accuracy figures vary, with one owner reporting initial timing at –1 second per day stabilizing at –4 seconds per day, while another found theirs spot on at +2/+3 seconds per day. Some owners note minor issues such as misaligned 12-6-9 hour markers or a GMT hand that can have play when setting, though this often resolves itself. The pin-and-collar bracelet sizing is considered fiddly by one user, and sharp bracelet edges were also noted. Overall, owners rate the San Martin NH34 39mm BB GMT SN054 highly for its exceptional value and refined aesthetics, with many feeling it rivals much more expensive alternatives.

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04The paper trail

Ask the communityStart a discussion about the San Martin NH34 39mm BB GMT SN054: get takes from other collectors.Ask →

05The discussion

Talk about the San Martin San Martin NH34 39mm BB GMT SN054.