Seiko Cal. 6691 - 701

Released in 1970, the Cal. 6691 with design code 701 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-745020aa157c]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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