Seiko Cal. 6624 - 344

The Seiko 6624-344 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-563b0a238a7d]

Also known as: Tuna, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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