Seiko Cal. 0764 - 112

The 0764-112 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0764 caliber with 31j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-d0f06235de64]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1983

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