Seiko Cal. 4471 - 496

The Seiko 4471-496 represents an important milestone in Seiko's 1978 lineup. Powered by the 4471 caliber with 32j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-fd6c1e77d8c8]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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