Seiko Cal. 6691 - 872

Released in 1978, the Cal. 6691 with design code 872 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-db68632a9c72]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1978

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