Seiko Cal. 4478 - 713

The Seiko 4478-713 represents an important milestone in Seiko's 1995 lineup. Powered by the 4478 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-42b10ed697b8]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1995

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