Seiko Cal. 6621 - 765

The Seiko 6621-765 represents an important milestone in Seiko's 1975 lineup. Powered by the 6621 caliber with 21j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-03a6fea7c47a]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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