Seiko Cal. 6630 - 101

The 6630-101 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-ad04758fb3c2]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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