Seiko Cal. 6691 - 205

This Automatic model from 1965 features a 38mm Hardlex-Coated Steel case. Powered by the 6691 caliber with 34j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-2103f82bed42]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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