Seiko Cal. 6624 - 777

The 6624-777 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6624 caliber with 20j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-d946c4378238]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1984

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