Seiko Cal. 5666 - 686

Released in 1984, the Cal. 5666 with design code 686 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-48e1cb665aae]

Also known as: Shogun, Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1984

Related Models

• Seiko 0725-526
• Seiko 6636-648
• Seiko 7123-581
• Seiko 0740-804
• Seiko 5243-588
• Seiko 0745-274
• Seiko 4417-838
• Seiko 6681-250
• Seiko 6169-937
• Seiko 4482-860
• Seiko 7027-473
• Seiko 3834-780