Seiko Cal. 6630 - 624

This Quartz model from 1972 features a 39mm Two-Tone case. Powered by the 6630 caliber with 29j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-af7e312fe235]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1972

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