Waltham, a WWII British RAF issued mechanical watch,

base metal case with a black dial, Arabic numerals, white enamel hands and second hand, case back stamped with broad arrow, issue no. 6B/234, A 3909, stamped to interior 'Keystone Base Metal', serial no. 899518, Waltham 16 jewel hand-wound movement cal 6/0 '42, no. 31469 337, with dust cover, strap deficient

Provenance:

The John Mitchell Collection of Military Horology

Condition Report:

Winds and ticking, not tested for timekeeping and continuous running.
Hands adjust.
Noticeable scratches to the decagon case back.
Wear to hands enamel.
Substantial wear to base metal case.