Seiko Cal. 6383 - 723

The Seiko 6383-723 represents an important milestone in Seiko's 1970 lineup. Powered by the 6383 caliber with 20j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-ed71b47c47a0]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1970

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