Seiko Cal. 0763 - 427

The Seiko 0763-427 represents an important milestone in Seiko's 1979 lineup. Powered by the 0763 caliber with 25j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-fd5817d057da]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1979

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