Seiko Cal. 4478 - 723

The Seiko 4478-723 represents an important milestone in Seiko's 1998 lineup. Powered by the 4478 caliber with 35j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-3e275497f061]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1998

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