Seiko Cal. 6691 - 964

The Seiko 6691-964 represents an important milestone in Seiko's 1991 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-d817ee371084]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1991

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