(NEW) Seiko Stem Only 372601 / 372617 - for Seiko 6309 / 6306 / 7548 Divers (70W22NS1 Crown System)

Seiko Stem (STEM ONLY)
New replacement female stem for vintage Seiko diver models that use the two-piece / split stem system commonly associated with crown 70W22NS1. These watches use a crown post/male neck and a female stem joined internally (spring/washer system).

Compatibility (full list)
Compatible Seiko models / families (as provided):

• Seiko 6309: 6309-7040, 6309-7049, 6309-7290
• Seiko 6306: 6306-7000, 6306-7001
• Seiko 7548 quartz divers: 7548-7000, 7548-7009, 7548-7010
• Seiko 7C43 series

Condition
New / unused watch part.

What’s included

• 1 × Seiko female stem (STEM ONLY)
• Crown not included
• Crown post / male neck not included

Fitment notes (important)
Please confirm your watch uses the two-piece/split stem setup before ordering. If you’re unsure, message me your case reference (e.g., 6309-7040) and a photo of your existing crown/stem arrangement and I’ll help confirm which piece you need.

Shipping
Ships from Australia. Worldwide shipping available.