Seiko Cal. 0763 - 658

The Seiko 0763-658 represents an important milestone in Seiko's 1966 lineup. Powered by the 0763 caliber with 17j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-9616f9ceace3]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

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