Seiko Cal. 5683 - 642

The 5683-642 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5683 caliber with 23j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-63a3a010ec54]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1998

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