Seiko Cal. 7140 - 261

The 7140-261 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7140 caliber with 19j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-d838b1376667]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1984

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