Seiko Cal. 6661 - 404

The Seiko 6661-404 represents an important milestone in Seiko's 1975 lineup. Powered by the 6661 caliber with 30j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-14ebf9fb9374]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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