Seiko Cal. 6664 - 900

This Hand-Winding model from 1974 features a 37mm Hardlex-Coated Steel case. Powered by the 6664 caliber with 23j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-7445ab548729]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1974

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