Seiko Cal. 6311 - 583

This Automatic model from 1996 features a 35mm Hardlex-Coated Steel case. Powered by the 6311 caliber with 31j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-79a1f71fda9a]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1996

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