Seiko Cal. 4478 - 144

The Seiko 4478-144 represents an important milestone in Seiko's 1984 lineup. Powered by the 4478 caliber with 30j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-9c309527763b]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1984

Related Models

• Seiko 6336-502
• Seiko 5696-772
• Seiko 6175-433
• Seiko 5297-351
• Seiko 6376-837
• Seiko 3871-263
• Seiko 6688-576
• Seiko 7045-359
• Seiko 7192-995
• Seiko 6255-737
• Seiko 4422-389
• Seiko 6618-647