Seiko Cal. 6315 - 591

The 6315-591 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6315 caliber with 27j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d608a289af34]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1976

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