Seiko Cal. 6140 - 898

The 6140-898 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6140 caliber with 27j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-32cff3dcc469]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1999

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