Seiko Cal. 6688 - 388

The 6688-388 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6688 caliber with 21j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-c71fafc7dd15]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1996

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