Seiko Cal. 6630 - 175

Released in 1971, the Cal. 6630 with design code 175 was part of Seiko's domestic market collection. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-830f4c1ab0dc]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1971

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