Seiko Cal. 6666 - 431

The Seiko 6666-431 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-a5024fc37c6a]

Also known as: Monster, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1974

Related Models

• Seiko 5658-587
• Seiko 6642-330
• Seiko 6697-984
• Seiko 4579-989
• Seiko 6141-595
• Seiko 4534-420
• Seiko 4471-101
• Seiko 6634-328
• Seiko 6681-274
• Seiko 4520-291
• Seiko 6626-300
• Seiko 4477-240