Seiko Cal. 4577 - 641

Released in 1997, the Cal. 4577 with design code 641 was part of Seiko's domestic market collection. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-8998db9dd0b2]

Also known as: Panda, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1997

Related Models

• Seiko 5271-551
• Seiko 5629-843
• Seiko 0740-498
• Seiko 7056-759
• Seiko 6270-597
• Seiko 5668-971
• Seiko 4522-195
• Seiko 5638-350
• Seiko 7012-579
• Seiko 4452-284
• Seiko 6261-469
• Seiko 3864-821