Seiko Cal. 6140 - 313

The 6140-313 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6140 caliber with 22j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-d6f3d0c30d93]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1982

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