Seiko Cal. 4448 - 231

Released in 1985, the Cal. 4448 with design code 231 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-bf3c27ce25ee]

Also known as: Tuna, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1985

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