Seiko Cal. 5666 - 677

The 5666-677 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-796fce832a3f]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1989

Related Models

• Seiko 7197-799
• Seiko 6311-292
• Seiko 6667-278
• Seiko 4470-440
• Seiko 4511-695
• Seiko 7018-208
• Seiko 3851-708
• Seiko 4495-489
• Seiko 7067-888
• Seiko 5687-219
• Seiko 4539-763
• Seiko 5689-451