Seiko Cal. 5633 - 678

The 5633-678 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-60f237fd6725]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1983

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