Seiko Cal. 6657 - 501

The 6657-501 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-c936a0fb5cf9]

Also known as: Samurai, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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