Seiko Cal. 6629 - 233

The Seiko 6629-233 represents an important milestone in Seiko's 1979 lineup. Powered by the 6629 caliber with 27j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e3073f21606c]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1979

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