Seiko Cal. 6661 - 906

Released in 1978, the Cal. 6661 with design code 906 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-89a2ac2cdd16]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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