Seiko Cal. 6315 - 954

The Seiko 6315-954 represents an important milestone in Seiko's 1977 lineup. Powered by the 6315 caliber with 27j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-5d52a3a4ab19]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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