Seiko Cal. 0763 - 729

Released in 1966, the Cal. 0763 with design code 729 was part of Seiko's domestic market collection. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-ea2aaa4b79a2]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1966

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