Seiko Cal. 5685 - 764

The Seiko 5685-764 represents an important milestone in Seiko's 1991 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-4d49609bda7c]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1991

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