Seiko Cal. 6688 - 478

The 6688-478 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6688 caliber with 24j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-bc2bc793cf99]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1969

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