Seiko Cal. 6657 - 256

The 6657-256 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a48ee1fb22a0]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1977

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