Seiko Cal. 6140 - 266

The 6140-266 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6140 caliber with 18j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-dc0aa64687b1]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1973

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