Seiko Cal. 4480 - 977

The Seiko 4480-977 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-409be21a75da]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

Related Models

• Seiko 6622-288
• Seiko 4562-998
• Seiko 6311-167
• Seiko 5257-602
• Seiko 4492-141
• Seiko 6125-649
• Seiko 4520-222
• Seiko 7028-481
• Seiko 6174-158
• Seiko 4451-372
• Seiko 4459-384
• Seiko 6258-957