Seiko Cal. 6140 - 497

The 6140-497 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6140 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-4fc45d2f47a4]

Also known as: Sumo, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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