Seiko Cal. 6621 - 544

The Seiko 6621-544 represents an important milestone in Seiko's 1989 lineup. Powered by the 6621 caliber with 30j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-8224aea231f6]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1989

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