Seiko Cal. 6624 - 363

The 6624-363 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6624 caliber with 24j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-075cf8c47520]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1967

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