Seiko Cal. 6630 - 653

The Seiko 6630-653 represents an important milestone in Seiko's 1994 lineup. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-0cda3be72640]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1994

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