Seiko Cal. 5666 - 784

The Seiko 5666-784 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-4c74ae2685c5]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1965

Related Models

• Seiko 6123-728
• Seiko 5686-372
• Seiko 0749-620
• Seiko 6115-929
• Seiko 4436-882
• Seiko 6368-789
• Seiko 3874-817
• Seiko 7167-528
• Seiko 6616-380
• Seiko 7079-481
• Seiko 5674-613
• Seiko 5667-402