Seiko Cal. 4478 - 105

Released in 1989, the Cal. 4478 with design code 105 was part of Seiko's domestic market collection. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-975aca2ed37d]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1989

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