Seiko Cal. 4478 - 446

Released in 1979, the Cal. 4478 with design code 446 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-4efa6740eb60]

Also known as: Monster, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1979

Related Models

• Seiko 7071-717
• Seiko 4429-984
• Seiko 5697-104
• Seiko 6321-301
• Seiko 4574-174
• Seiko 6171-231
• Seiko 4441-642
• Seiko 6262-752
• Seiko 5219-921
• Seiko 7040-785
• Seiko 7014-348
• Seiko 6231-359