Seiko Cal. 6640 - 349

The 6640-349 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-ea774bf74c24]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1992

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