Seiko 6117-6400 World Time - Black/Yellow Dial 1974 Pre-owned The original Chronographe Suisse -

The original Chronographe Suisse - which has no relation to any modern incarnation of the brand name - was at one time a major parts supplier to a number of the big houses of Swiss watchmaking

Operation of the alarm function is controlled through the top crown

making clean examples even harder to come by

The 6309 series diver replaced Seiko's 6105 in 1976 and remained in production for more than a decade

Seiko 6117-6400 World Time - Black/Yellow Dial 1974 Pre-owned The original Chronographe Suisse -While we do have a strong affection for timepiece complications (think chronograph, moon phase, and minute repeater), it is one of the most rudimentary complications that proves to be the most practical for regular use that of the GMT. A GMT watch offers the added functionality of a second timezone, and whether you're a pilot, jet setting international playboy, or simply want to keep track of the time in another part of the country (or world!) for