Seiko Cal. 6615 - 421

Released in 1987, the Cal. 6615 with design code 421 was part of Seiko's domestic market collection. Powered by the 6615 caliber with 24j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-f8e2fdc9ff35]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1987

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