Seiko Cal. 6617 - 678

The 6617-678 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6617 caliber with 34j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-6df267c8603b]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1970

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