Seiko Cal. 6699 - 580

The 6699-580 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-89eb7ffd805f]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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