Seiko Cal. 6661 - 525

Released in 1966, the Cal. 6661 with design code 525 was part of Seiko's domestic market collection. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-944858cea9bc]

Also known as: Bellmatic, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1966

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