Seiko Cal. 4480 - 851

The Seiko 4480-851 represents an important milestone in Seiko's 1983 lineup. Powered by the 4480 caliber with 17j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-dfa6d11e5a8f]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1983

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