Seiko Cal. 4446 - 788

Released in 1977, the Cal. 4446 with design code 788 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-fedfe34ca087]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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