Seiko Cal. 6178 - 731

The 6178-731 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-cae2f243dacd]

Also known as: Silverwave, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1971

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