Seiko Cal. 4478 - 576

Released in 1985, the Cal. 4478 with design code 576 was part of Seiko's domestic market collection. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1f5efd013fe2]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1985

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