Seiko Cal. 0722 - 487

The Seiko 0722-487 represents an important milestone in Seiko's 1970 lineup. Powered by the 0722 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-0b3175d4ab58]

Also known as: World Timer, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

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