Seiko Cal. 4552 - 684

The 4552-684 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4552 caliber with 21j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-6b20a002fe5e]

Also known as: World Timer, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1991

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