Seiko Cal. 4421 - 763

The 4421-763 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4421 caliber with 26j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-490ca9584e8a]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1979

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