Seiko Cal. 5630 - 900

The Seiko 5630-900 represents an important milestone in Seiko's 1975 lineup. Powered by the 5630 caliber with 25j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-b5822ff6fdf1]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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