Seiko Cal. 6686 - 178

The Seiko 6686-178 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-ff59a1c64731]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

Related Models

• Seiko 6675-801
• Seiko 4455-909
• Seiko 5271-260
• Seiko 7172-419
• Seiko 5257-846
• Seiko 3847-254
• Seiko 6167-568
• Seiko 5274-292
• Seiko 3850-592
• Seiko 6691-671
• Seiko 6654-999
• Seiko 4581-662