Seiko Cal. 4478 - 280

This Solar model from 1970 features a 44mm PVD Black case. With its 18mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-4eec0749534c]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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