Seiko Cal. 5628 - 910

Released in 1973, the Cal. 5628 with design code 910 was part of Seiko's domestic market collection. Powered by the 5628 caliber with 26j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-ac4dae3860f5]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1973

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