Seiko Cal. 6657 - 563

The 6657-563 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-db5c6750f020]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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