Seiko Cal. 6391 - 830

The 6391-830 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6391 caliber with 32j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-b1c68033e604]

Also known as: Panda, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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