Seiko Cal. 0763 - 635

The 0763-635 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0763 caliber with 22j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-add0d796285e]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1982

Related Models

• Seiko 6258-403
• Seiko 6367-165
• Seiko 6396-839
• Seiko 7046-627
• Seiko 0789-129
• Seiko 5278-916
• Seiko 7083-638
• Seiko 6382-152
• Seiko 4413-671
• Seiko 3878-923
• Seiko 5674-735
• Seiko 6675-239