Seiko Cal. 0721 - 861

Released in 1968, the Cal. 0721 with design code 861 was part of Seiko's domestic market collection. Powered by the 0721 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-eaa0fa072505]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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