Seiko Cal. 5660 - 366

The 5660-366 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-4202f5f67760]

Also known as: Shogun, Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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