Seiko NH34

Seiko
Automatic

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.

21,600
vph (3.0Hz)
41h
Power Reserve
24
Jewels
27.4mm
Ø × 5.32mm
Hacking: Yes
Hand-winding: Yes

Watches using this caliber (129)

Seiko Seiko NH34 — Specs, Watches & Manufacturers | lug²lug