Seiko Cal. 6140 - 233

The 6140-233 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6140 caliber with 29j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-ffdd6830421c]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1967

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