Seiko Cal. 6627 - 652

The 6627-652 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6627 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-6ea6ae69b18b]

Also known as: Tuna, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1979

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