Seiko Cal. 6640 - 873

The 6640-873 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-fa50138c2167]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1980

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