Seiko Cal. 6140 - 340

The Seiko 6140-340 represents an important milestone in Seiko's 1980 lineup. Powered by the 6140 caliber with 31j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-2358a7d873d4]

Also known as: Turtle, Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1980

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