Seiko Cal. 6140 - 860

The Seiko 6140-860 represents an important milestone in Seiko's 1969 lineup. Powered by the 6140 caliber with 36j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-baa949641e96]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

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