1969 was one of the most spectacular in Seiko’s storied history. That year, it released the world’s first automatic chronograph, the Calibre 6139 and the V.F.A. (Very Fine Adjusted) movement – which delivered Seiko’s highest yet level of precision for a mechanical movement.
Seiko would release another first upon the world, the first quartz wristwatch - the Seiko Quartz Astron, which went on to change the way the world told time, and severely tested the dominance of the Swiss, bringing high technology within the reach of all.
As the world got accustomed to the novel new Astron technology dominating the market in the late 1960s and early 1970s, Seiko was hard at work on its next innovation to challenge Swiss watch industry dominance, developing the Superior, Grand Quartz, King Quartz - and eventually the quartz diver here, a 1978 Seiko 7546-605A SiverWave diver, with stainless-steel Seiko bracelet and original Seiko 7546 instructions manual.
Immediately obvious on the SilverWave Ref. 7546 here is the shimmer from the "linen" textured dial, replete with 24-hour markers and applied hour markers, which sparkles depending on the position of wearer wrist. Contrasting the dial design for legibility is the black handset and cursive black SilverWave dial font. Add in the Seiko 7546 quartz movement with its accuracy, a day-date with quick set, and hacking and you have a watch that stands out on the wrist.
This Seiko SilverWave 7546 comes on a stainless-steel Seiko bracelet, and with nylon strap, rugged travel case, Seiko 7546 instructions manual, and springbar tool.
1978 Seiko 7546-605A SilverWave Dive Watch, w/Instructions
DIAL: A fantastic silver linen SilverWave-signed dial, with contrasting hour, minute, and second hands. Applied mirrored stick hour indices provide the dial with an intriguing depth, as does the silver 24hr chapter ring.
CASE: Stainless-steel case measures 39mm x 45mm, with sharp case edges.
CRYSTAL: Hardlex crystal, no deep scratches or edge chips.
BAND: This SilverWave comes on a matte stainless-steel Seiko 33H5-ZE bracelet, which will accommodate upwards of an approx. 7.25 inch wrist. While not original to this 7546, it matches its asthetic nicely. This Seiko diver also comes with a black, grey, and red nylon strap.
MOVEMENT: Four-jewel Seiko 7546 quartz movement, manufactured in June 1978; movement hacks, as designed.
CROWN: Stainless-steel crown screws down, as designed.