Seiko Cal. 6640 - 150

The 6640-150 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-a5f20bc7a40b]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1992

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