Seiko Cal. 6624 - 394

The 6624-394 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6624 caliber with 23j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-a7ecc8648bfe]

Also known as: Sportsmatic, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1988

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