Seiko Cal. 6370 - 855

The Seiko 6370-855 represents an important milestone in Seiko's 1984 lineup. Powered by the 6370 caliber with 20j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-f650661601de]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1984

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