Seiko Cal. 6140 - 670

The Seiko 6140-670 represents an important milestone in Seiko's 1983 lineup. Powered by the 6140 caliber with 29j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-9258e3834ea7]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1983

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