Seiko Cal. 0763 - 557

The 0763-557 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0763 caliber with 32j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-9c10c87cc9e8]

Also known as: Pogue, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1967

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