SEIKO (SII) NH35/NH36/NH37 Setting Lever #0383185

Product Description

The SEIKO (SII) NH35/NH36/NH37 Setting Lever (#0383185) is a genuine Japanese‑made component for the keyless works of these popular automatic movements . As a critical part of the crown mechanism, the setting lever ensures the stem is correctly retained and engages smoothly with the sliding pinion, enabling reliable switching between winding, date-setting, and time-setting positions. Replacing a worn or damaged setting lever is the ideal solution for restoring proper crown feel and reliable operation when keyless works issues occur .

Features & Function

• Genuine Seiko/SII part – authentic Japanese‑made component for NH35, NH36, and NH37 movements

• Keyless works component – controls stem engagement and sliding pinion for reliable mode switching

• NH family compatibility – designed for the most popular NH series calibers

• Direct replacement – drop‑in replacement for worn or damaged setting levers

Specifications

• Part Number: 0383185

• Compatible Movements: Seiko NH35, NH36, NH37 (also known as 4R35/4R36/4R37)

• Movement Family: NH Series (Basic Mechanical Series)

• Movement Frequency: 21,600 vph (3 Hz)

• Jewels: 24

• Power Reserve: ~41 hours

• Hacking: Yes

• Hand‑Winding: Yes

• Origin: Japan

Applications

• Service and overhaul – replacing worn or damaged setting levers in NH35/NH36/NH37 movements

• Keyless works repair – resolving issues with crown position switching or improper stem engagement, which can cause the stem to become stuck or fail to change modes correctly

• Crown function restoration – ensuring smooth winding, date‑setting, and time‑setting operation

• Suitable for professional watchmakers and experienced repair technicians

FAQs

1. Is this a genuine Seiko/SII part?

Yes, this is a genuine Seiko (SII/TMI) factory part made in Japan. The NH series is manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI).

2. Which movements is this setting lever compatible with?

This setting lever is compatible with Seiko NH35, NH36, and NH37 movements. These are based on the same NH35 architecture, with differences in complications: NH35 is date-only, NH36 adds day-date, and NH37 adds a 24‑hour indicator.

3. What are the signs that the setting lever needs replacement?

Common signs include difficulty switching crown positions, the stem feeling stuck or loose, failure to engage winding/setting functions properly, or visible wear/damage during inspection. A qualified watchmaker can diagnose these issues during servicing.

Why Choose SOFLY Watch Parts?

• Fast worldwide shipping within 3 business days.

• Competitive pricing on Seiko/Hattori calibers.

• 3,000+ watch movements and parts in stock.

• Trusted by watchmakers worldwide.

• Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.