Seiko Cal. 5681 - 553

The 5681-553 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5681 caliber with 25j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-401fd58584c3]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1996

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