Seiko Cal. 4478 - 577

The Seiko 4478-577 represents an important milestone in Seiko's 1973 lineup. With its 18mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-1cd3126559e8]

Also known as: World Timer, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

Related Models

• Seiko 3853-487
• Seiko 7042-565
• Seiko 5691-728
• Seiko 7123-219
• Seiko 0768-522
• Seiko 4560-584
• Seiko 6187-784
• Seiko 5650-631
• Seiko 6330-826
• Seiko 5666-481
• Seiko 7074-517
• Seiko 5624-899