Seiko Cal. 6621 - 603

The 6621-603 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6621 caliber with 24j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-76e44c97105d]

Also known as: Monster, Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

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