Seiko Cal. 6315 - 906

The 6315-906 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6315 caliber with 31j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-149f2c4df35f]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1977

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