Seiko Cal. 4476 - 358

The Seiko 4476-358 represents an important milestone in Seiko's 1979 lineup. Powered by the 4476 caliber with 25j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-a5acddc84ace]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1979

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