Seiko Cal. 6624 - 907

The 6624-907 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-56bc94e3530f]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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