Seiko Cal. 5657 - 401

The 5657-401 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0f8015ac2ad6]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1981

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