Seiko Cal. 4554 - 560

This Spring Drive model from 1979 features a 41mm PVD Black case. Powered by the 4554 caliber with 30j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-5b724925ec5a]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

Related Models

• Seiko 6660-977
• Seiko 6631-662
• Seiko 5278-408
• Seiko 6342-651
• Seiko 6349-711
• Seiko 6129-941
• Seiko 6185-792
• Seiko 7055-937
• Seiko 7187-955
• Seiko 5232-581
• Seiko 6368-978
• Seiko 4426-834