Seiko Cal. 6357 - 976

The 6357-976 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6357 caliber with 26j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-8a17ba95fcee]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

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