Seiko Cal. 6140 - 352

The 6140-352 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6140 caliber with 23j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-10a1ad7b25f2]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1973

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