Seiko Cal. 5630 - 666

The Seiko 5630-666 represents an important milestone in Seiko's 1992 lineup. Powered by the 5630 caliber with 21j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-34ffcd3d9fb4]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1992

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