Seiko Cal. 6140 - 497

Seiko 6140-497

The 6140-497 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6140 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-4fc45d2f47a4]

Also known as: Sumo, Sea Horse

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
14.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1976

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