Seiko Cal. 6690 - 861

The 6690-861 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-ff64e25014af]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1980

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