Seiko Cal. 4427 - 327

This Solar model from 1979 features a 36mm PVD Black case. With its 19mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-d35830d55fb7]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1979

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