Seiko Cal. 4413 - 728

Released in 1988, the Cal. 4413 with design code 728 was part of Seiko's domestic market collection. With its 19mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-7ca9cb9468b8]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1988

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