Seiko Cal. 6369 - 391

The Seiko 6369-391 represents an important milestone in Seiko's 1967 lineup. Powered by the 6369 caliber with 29j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-0024a50d17f5]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1967

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