Seiko Cal. 4554 - 650

The Seiko 4554-650 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-8faecd939c8c]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

Related Models

• Seiko 3892-222
• Seiko 6143-617
• Seiko 4452-821
• Seiko 0751-831
• Seiko 5282-505
• Seiko 6378-959
• Seiko 6281-496
• Seiko 3836-656
• Seiko 4547-384
• Seiko 7070-145
• Seiko 5249-876
• Seiko 5293-474