SEIKO DIVER 6105 - 8110

One of my favorites is the Seiko 6105-8110 with 19.5mm lugs — call them 20mm lugs

Seiko made 2 series of 6105 divers: 6105-8000 and 6015-8009 are earlier models, while the 6105-8110 and 6105-8119 come later. All models are rated to 150m. The cal. 6105 movement comes in 2 variations — 6105A and 6105B. They are both 17J and run at 21,600 bph. They have a quickset date-only calendar mechanism. The 6105-8000 and 6105-8009 models use the cal. 6105A movement and have symmetrical cushion cases.

The 6105s were popular especially among American soldiers who bought them cheap from the PX, the 6105 divers were issued to one of the U.S. Navy Seal teams in the 1960s.