Seiko Cal. 6615 - 771

Released in 1965, the Cal. 6615 with design code 771 was part of Seiko's domestic market collection. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6fc4dc794a38]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1965

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