Seiko Cal. 6629 - 643

This Automatic model from 1985 features a 45mm Titanium case. Powered by the 6629 caliber with 20j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-bcd5afb1ef75]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1985

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