Seiko Cal. 6688 - 327

The 6688-327 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6688 caliber with 17j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-8c867a2f88f2]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

Related Models

• Seiko 7014-766
• Seiko 6271-718
• Seiko 6140-467
• Seiko 5614-164
• Seiko 0735-138
• Seiko 5680-112
• Seiko 6169-276
• Seiko 4496-456
• Seiko 7161-923
• Seiko 5655-466
• Seiko 6347-786
• Seiko 3855-876