History of the Seiko Slim Turtle 6309 and a guide to all models of the Seiko diver's watch. References, movements, and technical specifications.

Feb 15, 2017 · Re: Seiko 6306/6309 'Turtle'....in review - 2017. Here's a couple of shots from 'Paul Ramon' of his 6306-7000..... this would be one of the earliest 6306's (June 76) does anyone know production dates or numbers of the 7000?

Jun 21, 2021 · Despite having a new fresh version of dive watches available in the Seiko’s collection, the vintage Seiko 6309 dive watch remains such a legendary timepiece accessory for divers who love to conquer the world underwater.

Apr 10, 2008 · 6309's use a form of Seiko's workhorse 17 jewel 6300 series automatic caliber. The movement cannot be manually wound; is non-hacking; and has crown operated quickset day/date calendar mechanisms.

Feb 24, 2020 · Powered by Seiko’s 6306A caliber, the 6306-7000/1 sported a 60-click bezel encircling a black dial with oversized lume plots in a mix of circular and more ornate shapes. Because the watch was made for the Japanese market, it features an English/Kanji day-date wheel, a feature treasured by its fans.

Sep 5, 2009 · This watch was the Seiko 6309 diver. Hours spent reading the SCWF archives; Seiko Diver History and the 6309 Buyers Guide lead me to my first deal: a 6309-7049 from Stephen Go.

Jul 7, 2014 · The Seiko 6309 comes housed in a large cushion shaped stainless steel case that measures 45mm wide by 48mm long and 13mm thick, with nice 22mm lugs. Even though this is a large watch, the design wears extremely comfortably, and is and continues to be a favorite among Seiko collectors.

The latter international variant - the 6309 - featured a 17 jewel 6309A automatic movement, fitted with bilingual day wheels appropriate for the target geographic it would be sold in, while the former Japan domestic version - the 6306 - was to be fitted with a more advanced 21 jewel 6306A movement, with seconds hack capability and an English ...

The Turtle 6309 housed a caliber with 17 jewels, less than the 21 of the 6306, and no hacking function. This model was mainly intended for the international market, and is found with the case-movement references 6309-7040 and 6309-7049, the latter dedicated to North America.

With the SDS001 reference, a new generation of recreational automatic divers is introduced, replacing the previous 150 m divers with the 6309 movement. The first model inherits the Slim Turtle design, which by the late ’80s had effectively become the …