Seiko Cal. 6693 - 506

Released in 1970, the Cal. 6693 with design code 506 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-cd9dea88ba16]

Also known as: Monster, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

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