Seiko Cal. 5243 - 680

The 5243-680 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5243 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-cb122061ae8f]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1980

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