Seiko Cal. 6688 - 759

The 6688-759 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-d45537049b0a]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1973

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