Seiko Cal. 4478 - 713

Seiko 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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