Seiko Cal. 5628 - 550

The 5628-550 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5628 caliber with 30j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-bf56721e3587]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1984

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