Seiko Cal. 4454 - 556

The Seiko 4454-556 represents an important milestone in Seiko's 1983 lineup. Powered by the 4454 caliber with 22j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-a57e1b0194ff]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

Related Models

• Seiko 6278-152
• Seiko 4571-252
• Seiko 5257-811
• Seiko 0793-923
• Seiko 3867-567
• Seiko 0753-341
• Seiko 6154-318
• Seiko 4545-690
• Seiko 5662-401
• Seiko 3813-763
• Seiko 5610-881
• Seiko 5253-664