Seiko Cal. 4480 - 913

Released in 1983, the Cal. 4480 with design code 913 was part of Seiko's domestic market collection. Powered by the 4480 caliber with 20j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-b8c3a4beb1ba]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1983

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