Seiko Cal. 4440 - 160

The Seiko 4440-160 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-1d1df1367f21]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

Related Models

• Seiko 4435-391
• Seiko 6296-429
• Seiko 0736-760
• Seiko 6634-987
• Seiko 6110-572
• Seiko 7191-553
• Seiko 6697-450
• Seiko 5699-287
• Seiko 5247-357
• Seiko 5227-185
• Seiko 7193-441
• Seiko 3871-126