Seiko Cal. 6630 - 946

This Spring Drive model from 1969 features a 38mm Gold-Plated case. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-00084f73d3b2]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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