Seiko Cal. 5688 - 650

The 5688-650 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5688 caliber with 30j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-b67d1823222f]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

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