Seiko Cal. 5688 - 557

The 5688-557 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-0437b53af304]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1975

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