Grand Seiko 5646-7011 June 1974

Grand Seiko 5646-7011 June 1974

Maker: Seiko
Model: Grand Seiko 5646-7011 hibeat
Year: June 1974
Case Material: stainless steel
Case Dimensions: 36mm, thickness 13mm
Case serial: 460205
Caliber automatic 5646A
Service history: service history unknown but checked by our watchmaker and currently running at -9.8 seconds/day. 
Lug Width: 18mm
Bracelet/Strap: none
Box/Papers: none

The 56GS series of vintage Grand Seiko is second only to the 61GS with regards to the diversity of the watches produced. The three movements that were used in this series were the 5641A (no-date), 5645A (date) and 5646A (day-date), making this the only series with all three complication versions. In all there were 35 different models in the 56GS series. 

This is a vintage Grand Seiko 5646-7011 fitted with an after market Seiko original 9 sided cut crystal. Overall, this piece is in great condition. The case may have been polished once or twice in the past but retains sharp edges with beautiful Tanaka grammar of design profile. The original matte white dial has faintly patina'd and is in great condition with some spotting throughout the dial. The crystal has been replaced with a 56GS NOS 9 sided cut crystal. These cut crystals were originally fitted to the GS 5646-7020 models and this gives the watch a fresh funky feel. The handset and crown are all original and in excellent condition as is with the daydate function which has a Japanese kanji day wheel. The movement history is unknown but is running within vintage standards at this time. The caseback and gold medallion is original and in excellent condition.  Ships from Japan
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