Seiko Cal. 6356 - 885

The Seiko 6356-885 represents an important milestone in Seiko's 1966 lineup. Powered by the 6356 caliber with 19j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-4ff34866bfd3]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1966

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