Seiko Cal. 6691 - 486

Released in 1973, the Cal. 6691 with design code 486 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-86cec86d471e]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1973

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