Seiko Cal. 6140 - 340

Seiko 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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seikata-wm-2358a7d873d4