Seiko Cal. 4513 - 763

The Seiko 4513-763 represents an important milestone in Seiko's 1966 lineup. Powered by the 4513 caliber with 17j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-8ffc8340ee98]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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