Seiko Cal. 0763 - 660

The Seiko 0763-660 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-60d3bb67e86a]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1987

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