Seiko Cal. 6140 - 456

The Seiko 6140-456 represents an important milestone in Seiko's 1975 lineup. Powered by the 6140 caliber with 30j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-224021e341dd]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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