Seiko Cal. 6140 - 659

The Seiko 6140-659 represents an important milestone in Seiko's 1987 lineup. Powered by the 6140 caliber with 32j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-47002f26efd4]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1987

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