Seiko Cal. 4477 - 688

The Seiko 4477-688 represents an important milestone in Seiko's 1970 lineup. Powered by the 4477 caliber with 31j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-98c8e2b99a13]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1970

Related Models

• Seiko 6328-197
• Seiko 5649-765
• Seiko 3887-998
• Seiko 6657-841
• Seiko 4513-724
• Seiko 6646-406
• Seiko 6693-327
• Seiko 6617-643
• Seiko 5648-220
• Seiko 7035-782
• Seiko 7178-847
• Seiko 6618-271