Seiko Cal. 6391 - 760

The 6391-760 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6391 caliber with 33j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-a954474fab6e]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1990

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