{"id":8337,"date":"2023-06-21T16:32:52","date_gmt":"2023-06-21T14:32:52","guid":{"rendered":"https:\/\/relojes.wiki\/en\/?p=8337"},"modified":"2023-09-12T20:52:00","modified_gmt":"2023-09-12T18:52:00","slug":"seiko-nh35-a-reliable-and-affordable-movement","status":"publish","type":"post","link":"https:\/\/relojes.wiki\/en\/seiko-nh35\/","title":{"rendered":"Seiko NH35, a reliable and affordable movement"},"content":{"rendered":"

The Seiko NH35 caliber is arguably one of the most well-known and appreciated automatic movements worldwide, which is not surprising considering its low cost and reliability.<\/p>\n

It is an economical and precise mechanism used by numerous brands of mechanical watches<\/a> such as Vostok, Invicta, etc., including Seiko itself.<\/p>\n

In fact, it can even be found in some inexpensive Chinese watch brands<\/a>, such as Cadisen<\/a>, which adds significant extra value to them.<\/p>\n

Furthermore, the Seiko NH35 incorporates advanced operating features, such as the famous hacking seconds, which further increases its value for watch enthusiasts.<\/p>\n

In this article, we will provide a comprehensive overview of its specifications, considering all its functions and comparing it to other calibers in the same range.<\/p>\n

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Crystal<\/td>\nSapphire<\/a><\/td>\n<\/tr>\n
Movement<\/td>\nJapanese Automatic<\/td>\n<\/tr>\n
Caliber<\/td>\nSeiko NH35<\/td>\n<\/tr>\n
Case Diameter<\/td>\n44 mm<\/td>\n<\/tr>\n
Case Thickness<\/td>\n15 mm<\/td>\n<\/tr>\n
Materials<\/td>\nStainless steel<\/td>\n<\/tr>\n
Water Resistance<\/td>\n20 ATM (200 meters)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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\u271a Seiko NH35 Technical Specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Manufacturer<\/th>\nSeiko<\/td>\n<\/tr>\n
Model<\/th>\nNH35<\/td>\n<\/tr>\n
Movement<\/th>\nAutomatic<\/td>\n<\/tr>\n
Jewels<\/th>\n24<\/td>\n<\/tr>\n
Vibration Frequency<\/th>\n21,600 vph<\/td>\n<\/tr>\n
Power Reserve<\/th>\n+41 hours<\/td>\n<\/tr>\n
Dimensions<\/th>\n27.40 mm x 5.32 mm (Diameter x Depth)<\/td>\n<\/tr>\n
Precision<\/th>\n-20 \uff5e +40 seconds \/ day<\/td>\n<\/tr>\n
Functions<\/th>\nHour, minute, and second hands, and calendar<\/td>\n<\/tr>\n
Hacking (Stop Seconds)<\/th>\nYes<\/td>\n<\/tr>\n
Manual Winding<\/th>\nYes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u271a In-Depth Look at Seiko NH35<\/h2>\n

The NH35 is a bidirectional automatic caliber with the Magic Lever winding system, a patented system by Seiko that simplifies the mechanism and makes it more efficient.<\/p>\n

\"Seiko<\/a><\/p>\n

Simply put, the Magic Lever shortens the winding time and provides a longer power reserve using fewer parts.<\/p>\n

When combined with a rotor capable of generating energy in both directions, we have a caliber that can quickly start the watch with even the slightest movement.<\/p>\n

The shock-resistant system that protects the mechanism from shocks and falls is Diashock, which is essentially Seiko’s equivalent of the Incabloc mechanism used in some Swiss calibers.<\/p>\n

Additionally, it includes hacking or stop seconds, which means that the second hand can be stopped by pulling out the crown, allowing for more precise time adjustment.<\/p>\n

\u27a4 Precision<\/h3>\n

In terms of precision, the Seiko NH35 operates within a range of approximately -20 to +40 seconds per day, according to the manufacturer’s specifications. At first glance, this range may seem high, but it is quite far from reality.<\/p>\n

When a manufacturer sets a precision range, it is more of a classification to categorize the movement, which in practice is usually more accurate.<\/p>\n

In fact, according to the opinions of most owners of watches with this caliber, the precision falls within a range of 1 to 10 seconds.<\/p>\n

\"Seiko
\nHowever, it is worth noting that the lower values are probably due to measurements taken on new watches.<\/p>\n

To truly determine the precision of a movement, the watch should have at least one year of operation, and in that case, NH35 users are closer to the \u00b120 seconds per day range.<\/p>\n

\u27a4 Power Reserve<\/h3>\n

Regarding power reserve, the Seiko NH35 can store over 41 hours of energy when fully charged.
\nThe watch can be charged by the movement of the wrist or by manually winding the crown since it also has manual winding capability.<\/p>\n

If you choose manual winding, you will need to rotate the crown approximately 55 times to reach the maximum energy level of the mechanism.<\/p>\n

\u27a4 Brands that use it<\/h3>\n

Given its affordability and easy availability, many mid-range brands use this movement in some of their most well-known models. Here are some of them:<\/p>\n