Seiko Cal. 6624 - 620

The 6624-620 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-ae13dd2c19ad]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1970

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