The only formal differences between the badges of male special member of the association https://asiamedals.info/threads/jap...le-version-of-special-membership-badge.26331/ and male lifetime special member are blue enamelled metal flower on a ribbon and additional inscription on the case lid (two kanji 終身 - lifetime).
One of the main manufacturers of these badges was Suzuki workshop /Imperial Medal Works/.
1st variation (Suzuki workshop).
Reverse
日本海員掖濟會 - Japan Seafarers Relief Association
特別會員 - Special Member of Association
Original case.
男子 -Male
特別終身會員章 - Special Lifetime Member of Association Badge
日本海員掖濟會 - Japan Seafarers Relief Association
Stamp of Suzuki Umekichi workshop.