Seiko Cal. 6140 - 145

The Seiko 6140-145 represents an important milestone in Seiko's 1974 lineup. Powered by the 6140 caliber with 23j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-2bebc97d92ad]

Also known as: Crown, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1974

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