Seiko Cal. 0787 - 683

The 0787-683 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0787 caliber with 30j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-2a4493b70e9a]

Also known as: Shogun, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1974

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