Seiko Cal. 0721 - 648

The Seiko 0721-648 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-5fb0749ffc3a]

Also known as: Pogue, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

Related Models

• Seiko 6638-486
• Seiko 5642-256
• Seiko 7044-781
• Seiko 5214-461
• Seiko 4596-879
• Seiko 5287-947
• Seiko 0783-834
• Seiko 3852-272
• Seiko 3815-753
• Seiko 0744-538
• Seiko 6696-686
• Seiko 3830-795