Seiko Cal. 6140 - 405

The Seiko 6140-405 represents an important milestone in Seiko's 1984 lineup. Powered by the 6140 caliber with 21j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-2a89dea344dd]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1984

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