Seiko Cal. 4448 - 831

The 4448-831 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-2d8bf6f166d5]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1989

Related Models

• Seiko 7041-732
• Seiko 6349-624
• Seiko 3857-605
• Seiko 4546-513
• Seiko 7077-563
• Seiko 5659-958
• Seiko 7133-493
• Seiko 4488-577
• Seiko 6171-542
• Seiko 6187-202
• Seiko 6288-414
• Seiko 5671-543