Seiko Cal. 5630 - 666

Released in 1985, the Cal. 5630 with design code 666 was part of Seiko's domestic market collection. Powered by the 5630 caliber with 30j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-4b93ffb93bfa]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1985

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