Seiko Cal. 4448 - 478

Released in 1981, the Cal. 4448 with design code 478 was part of Seiko's domestic market collection. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-165488be84bf]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

Related Models

• Seiko 5642-359
• Seiko 6684-466
• Seiko 5211-401
• Seiko 0769-384
• Seiko 4449-199
• Seiko 5252-390
• Seiko 5682-843
• Seiko 7149-899
• Seiko 6141-599
• Seiko 6664-856
• Seiko 6238-582
• Seiko 5240-941