Seiko Cal. 0764 - 690

This Quartz model from 1988 features a 37mm Two-Tone case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-7a558e5aa1dc]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1988

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